Venose adjective [ See Venous .] Having numerous or conspicuous veins; veiny; as, a venose frond.

Venosity noun
1. The quality or state of being venous.

2. (Medicine) A condition in which the circulation is retarded, and the entire mass of blood is less oxygenated than it normally is.

Venous adjective [ Latin venosus , from vena a vein. See Vein .]
1. (Anat.) Of or pertaining to a vein or veins; as, the venous circulation of the blood.

2. Contained in the veins, or having the same qualities as if contained in the veins, that is, having a dark bluish color and containing an insufficient amount of oxygen so as no longer to be fit for oxygenating the tissues; -- said of the blood, and opposed to arterial .

3. Marked with veins; veined; as, a venous leaf.

Venous leaf (Botany) , a leaf having vessels branching, or variously divided, over its surface. -- Venous hum (Medicine) , a humming sound, or bruit, heard during auscultation of the veins of the neck in anæmia. -- Venous pulse (Physiol.) , the pulse, or rhythmic contraction, sometimes seen in a vein, as in the neck, when there is an obstruction to the passage of blood from the auricles to the ventricles, or when there is an abnormal rigidity in the walls of the greater vessels. There is normally no pulse in a vein.

Vent noun [ French vente , from Latin vendere , -itum , to sell; perhaps confused with English vent an opening. See Vend .] Sale; opportunity to sell; market. [ Obsolete] Shelton.

There is no vent for any commodity but of wool.

Sir W. Temple.

Vent transitive verb To sell; to vend. [ Obsolete]

Therefore did those nations vent such spice.

Sir W. Raleigh.

Vent noun [ Spanish venta a poor inn, sale, market. See Vent sale.] A baiting place; an inn. [ Obsolete]

Vent intransitive verb [ Confer French venter to blow, vent wind (see Ventilate ); but prob influenced by English vent an opening.] To snuff; to breathe or puff out; to snort. [ Obsolete] Spenser.

Vent noun [ Middle English fent , fente , a slit, French fente a slit, cleft, fissure, from fendre to split, Latin findere ; but probably confused with French vent wind, Latin ventus . See Fissure , and confer Vent to snuff.]
1. A small aperture; a hole or passage for air or any fluid to escape; as, the vent of a cask; the vent of a mold; a volcanic vent .

Look, how thy wounds do bleed at many vents .

Shak.

Long't was doubtful, both so closely pent,
Which first should issue from the narrow vent .

Pope.

2. Specifically: --

(a) (Zoology) The anal opening of certain invertebrates and fishes; also, the external cloacal opening of reptiles, birds, amphibians, and many fishes.

(b) (Gun.) The opening at the breech of a firearm, through which fire is communicated to the powder of the charge; touchhole.

(c) (Steam Boilers) Sectional area of the passage for gases divided by the length of the same passage in feet.

3. Fig.: Opportunity of escape or passage from confinement or privacy; outlet.

4. Emission; escape; passage to notice or expression; publication; utterance.

Without the vent of words.

Milton.

Thou didst make tolerable vent of thy travel.

Shak.

To give vent to , to suffer to escape; to let out; to pour forth; as, to give vent to anger. -- To take vent , to escape; to be made public. [ R.] -- Vent feather (Zoology) , one of the anal, or crissal, feathers of a bird. -- Vent field (Gun.) , a flat raised surface around a vent. -- Vent piece . (Gun.) (a) A bush. See 4th Bush , noun , 2. (b) A breech block.

Vent transitive verb [ imperfect & past participle Vented ; present participle & verbal noun Venting .]
1. To let out at a vent, or small aperture; to give passage or outlet to.

2. To suffer to escape from confinement; to let out; to utter; to pour forth; as, to vent passion or complaint.

The queen of heaven did thus her fury vent .

Dryden.

3. To utter; to report; to publish. [ Obsolete]

By mixing somewhat true to vent more lies.

Milton.

Thou hast framed and vented very curious orations.

Barrow.

4. To scent, as a hound. [ Obsolete] Turbervile.

5. To furnish with a vent; to make a vent in; as, to vent . a mold.

Ventage noun A small hole, as the stop in a flute; a vent. Shak.

Ventail noun [ Old French ventaille , French ventail . See Ventilate , and confer Aventail .] That part of a helmet which is intended for the admission of air, -- sometimes in the visor. Spenser.

Her ventail up so high that he descried
Her goodly visage and her beauty's pride.

Fairfax.

Venter noun One who vents; one who utters, reports, or publishes. [ R.] Barrow.

Venter noun [ Latin ]
1. (Anat.) (a) The belly; the abdomen; -- sometimes applied to any large cavity containing viscera. (b) The uterus, or womb. (c) A belly, or protuberant part; a broad surface; as, the venter of a muscle; the venter , or anterior surface, of the scapula.

2. (Zoology) The lower part of the abdomen in insects.

3. (Rom. & O. E. Law) A pregnant woman; a mother; as, A has a son B by one venter , and a daughter C by another venter ; children by different venters .

Venthole noun A touchhole; a vent.

Ventiduct noun [ Latin ventus wind + ductus a leading, conduit, from ducere , ductum , to lead.] A passage for wind or air; a passage or pipe for ventilating apartments. Gwilt.

Ventilate transitive verb [ imperfect & past participle Ventilated ; present participle & verbal noun Ventilating .] [ Latin ventilatus , past participle of ventilare to toss, brandish in the air, to fan, to winnow, from ventus wind; akin to English wind . See Wind rushing air.]
1. To open and expose to the free passage of air; to supply with fresh air, and remove impure air from; to air; as, to ventilate a room; to ventilate a cellar; to ventilate a mine.

2. To provide with a vent, or escape, for air, gas, etc.; as, to ventilate a mold, or a water-wheel bucket.

3. To change or renew, as the air of a room. Harvey.

4. To winnow; to fan; as, to ventilate wheat.

5. To sift and examine; to bring out, and subject to penetrating scrutiny; to expose to examination and discussion; as, to ventilate questions of policy. Ayliffe.

6. To give vent; to utter; to make public.

Macaulay took occasion to ventilate one of those starling, but not very profound, paradoxes.

J. C. Shairp.

Ventilation noun [ Latin ventilatio : confer French ventilation .]
1. The act of ventilating, or the state of being ventilated; the art or process of replacing foul air by that which is pure, in any inclosed place, as a house, a church, a mine, etc.; free exposure to air.

Insuring, for the laboring man, better ventilation .

F. W. Robertson.

2. The act of refrigerating, or cooling; refrigeration; as, ventilation of the blood. [ Obsolete] Harvey.

3. The act of fanning, or winnowing, for the purpose of separating chaff and dust from the grain.

4. The act of sifting, and bringing out to view or examination; free discussion; public exposure.

The ventilation of these points diffused them to the knowledge of the world.

Bp. Hall.

5. The act of giving vent or expression. " Ventilation of his thoughts." Sir H. Wotton.

Ventilative adjective Of or pertaining to ventilation; adapted to secure ventilation; ventilating; as, ventilative apparatus.

Ventilator noun [ Confer French ventilateur , Latin ventilator a winnower.] A contrivance for effecting ventilation; especially, a contrivance or machine for drawing off or expelling foul or stagnant air from any place or apartment, or for introducing that which is fresh and pure.

Ventose noun A ventouse. [ Obsolete] Holland.

Ventose adjective [ Latin ventosus windy. See Ventilate .] Windy; flatulent. Richardson (Dict.).

Ventose noun [ French ventôse . See Ventose , adjective ] The sixth month of the calendar adopted by the first French republic. It began February 19, and ended March 20. See Vend...miaire .

Ventosity noun [ Latin ventositas : confer French ventosité . See Ventose , noun ] Quality or state of being ventose; windiness; hence, vainglory; pride. Bacon.

Ventouse noun [ French] A cupping glass. [ Obsolete] Chaucer.

Ventouse transitive verb & i. To cup; to use a cupping glass. [ Obsolete] [ Written also ventuse .] Chaucer.

Ventrad adverb [ Latin venter belly + ad to.] (Anat.) Toward the ventral side; on the ventral side; ventrally; -- opposed to dorsad .

Ventral adjective [ Latin ventralis , from venter the belly; perhaps akin to German wanst : confer French ventral .]
1. (Anat.) Of, pertaining to, or situated near, the belly, or ventral side, of an animal or of one of its parts; hemal; abdominal; as, the ventral fin of a fish; the ventral root of a spinal nerve; -- opposed to dorsal .

2. (Botany) (a) Of or pertaining to that surface of a carpel, petal, etc., which faces toward the center of a flower. (b) Of or pertaining to the lower side or surface of a creeping moss or other low flowerless plant. Opposed to dorsal .

Ventral fins (Zoology) , the posterior pair of fins of a fish. They are often situated beneath the belly, but sometimes beneath the throat. -- Ventral segment . (Acoustics) See Loop , noun , 5.

Ventricle noun [ Latin ventriculus the stomach, a ventricle, dim. of venter the belly: confer French ventricule . See Ventral .]
1. (Anat.) A cavity, or one of the cavities, of an organ, as of the larynx or the brain; specifically, the posterior chamber, or one of the two posterior chambers, of the heart, which receives the blood from the auricle and forces it out from the heart. See Heart .

» The principal ventricles of the brain are the fourth in the medulla, the third in the midbrain, the first and second , or lateral , ventricles in the cerebral hemispheres, all of which are connected with each other, and the fifth , or pseudocœle , situated between the hemispheres, in front of, or above, the fornix, and entirely disconnected with the other cavities. See Brain , and Cœlia .

2. The stomach. [ Obsolete]

Whether I will or not, while I live, my heart beats, and my ventricle digests what is in it.

Sir M. Hale.

3. Fig.: Any cavity, or hollow place, in which any function may be conceived of as operating.

These [ ideas] are begot on the ventricle of memory.

Shak.

Ventricose, Ventricous adjective [ New Latin ventricosus , from Latin venter belly.] (Nat. Hist.) Swelling out on one side or unequally; bellied; ventricular; as, a ventricose corolla.

Ventricose shell . (Zoology) (a) A spiral shell having the body whorls rounded or swollen in the middle. (b) A bivalve shell in which the valves are strongly convex.

Ventricular adjective [ Confer French ventriculaire .] Of or pertaining to a ventricle; bellied.

Ventriculite noun [ See Ventriculus .] (Paleon.) Any one of numerous species of siliceous fossil sponges belonging to Ventriculites and allied genera, characteristic of the Cretaceous period.

» Many of them were shaped like vases, others like mushrooms. They belong to the hexactinellids, and are allied to the Venus's basket of modern seas.

Ventriculous adjective [ Latin ventriculosus of the belly.] Somewhat distended in the middle; ventricular.

Ventriculus noun ; plural Ventriculi . [ Latin , belly, dim. from venter belly.] (Zoology) (a) One of the stomachs of certain insects. (b) The body cavity of a sponge.

Ventrilocution noun [ See Ventriloquous .] Ventriloquism.

Ventriloquial adjective Ventriloquous.

Ventriloquism noun [ See Ventriloquous .] The act, art, or practice of speaking in such a manner that the voice appears to come, not from the person speaking, but from some other source, as from the opposite side of the room, from the cellar, etc.

Ventriloquist noun One who practices, or is skilled in, ventriloquism.

Ventriloquist monkey (Zoology) , the onappo; -- so called from the character of its cry.

Ventriloquize intransitive verb [ imperfect & past participle Ventriloquized ; present participle & verbal noun Ventriloquizing .] To practice ventriloquism; to speak like a ventriloquist.

Ventriloquous adjective [ Latin ventriloquus a ventriloquist; venter the belly + loqui , past participle locutus , to speak. See Ventral , and Loquacious .] Of or pertaining to a ventriloquist or ventriloquism.

Ventriloquy noun [ Confer French ventriloquie .] Same as Ventriloquism .

Ventrimeson noun [ New Latin See Venter , and Meson .] (Anat.) See Meson .

Ventro- [ Latin venter belly.] A combining form used in anatomy to indicate connection with , or relation to , the abdomen ; also, connection with , relation to , or direction toward , the ventral side ; as, ventro lateral; ventro -inguinal.

Ventro-inguinal adjective (Anat.) Pertaining both to the abdomen and groin, or to the abdomen and inguinal canal; as, ventro-inguinal hernia.

Venture noun [ Aphetic form of Middle English aventure . See Adventure .]
1. An undertaking of chance or danger; the risking of something upon an event which can not be foreseen with certainty; a hazard; a risk; a speculation.

I, in this venture , double gains pursue.

Dryden.

2. An event that is not, or can not be, foreseen; an accident; chance; hap; contingency; luck. Bacon.

3. The thing put to hazard; a stake; a risk; especially, something sent to sea in trade.

My ventures are not in one bottom trusted.

Shak.

At a venture , at hazard; without seeing the end or mark; without foreseeing the issue; at random.

A certain man drew a bow at a venture .

1 Kings xxii. 34.

A bargain at a venture made.

Hudibras.

» The phrase at a venture was originally at aventure , that is, at adventure .

Venture intransitive verb [ imperfect & past participle Ventured ; present participle & verbal noun Venturing .]
1. To hazard one's self; to have the courage or presumption to do, undertake, or say something; to dare. Bunyan.

2. To make a venture; to run a hazard or risk; to take the chances.

Who freights a ship to venture on the seas.

J. Dryden, Jr.

To venture at , or To venture on or upon , to dare to engage in; to attempt without any certainty of success; as, it is rash to venture upon such a project. "When I venture at the comic style." Waller.

Venture transitive verb
1. To expose to hazard; to risk; to hazard; as, to venture one's person in a balloon.

I am afraid; and yet I'll venture it.

Shak.

2. To put or send on a venture or chance; as, to venture a horse to the West Indies.

3. To confide in; to rely on; to trust. [ R.]

A man would be well enough pleased to buy silks of one whom he would not venture to feel his pulse.

Addison.

Venturer noun
1. One who ventures, or puts to hazard; an adventurer. Beau. & Fl.

2. A strumpet; a prostitute. [ R.] J. Webster (1607).

Venturesome adjective Inclined to venture; not loth to run risk or danger; venturous; bold; daring; adventurous; as, a venturesome boy or act. -- Ven"ture*some*ly , adverb -- Ven"ture*some*ness , noun

Venturine noun [ Confer Aventurine .] (Japanning) Gold powder for covering varnished surfaces.

Venturous adjective [ Aphetic form of Middle English aventurous . See Adventurous , Venture , noun ] Daring; bold; hardy; fearless; venturesome; adveturous; as, a venturous soldier. Spenser.

This said, he paused not, but with venturous arm
He plucked, he tasted.

Milton.

-- Ven"tur*ous*ly , adverb -- Ven"tur*ous*ness , noun