Pilose Piˇlose" adjective [ Latin pilosus , from pilus hair. See Pile .] 1. Hairy; full of, or made of, hair.

The heat-retaining property of the pilose covering.

Owen.

2. (Zoology) Clothed thickly with pile or soft down.

3. (Botany) Covered with long, slender hairs; resembling long hairs; hairy; as, pilose pubescence.

Pilosity Piˇlos"iˇty noun [ Confer French pilosité .] The quality or state of being pilose; hairiness. Bacon.

Pilot Pi"lot noun [ French pilote , probably from Dutch peillood plummet, sounding lead; peilen , pegelen , to sound, measure (fr. D. & German peil , pegel , a sort of measure, water mark) + lood lead, akin to English lead . The pilot, then, is the lead man, i. e., he who throws the lead. See Pail , and Lead a metal.] 1. (Nautical) One employed to steer a vessel; a helmsman; a steersman. Dryden.

2. Specifically, a person duly qualified, and licensed by authority, to conduct vessels into and out of a port, or in certain waters, for a fixed rate of fees.

3. Figuratively: A guide; a director of another through a difficult or unknown course.

4. An instrument for detecting the compass error.

5. The cowcatcher of a locomotive. [ U.S.]

Pilot balloon , a small balloon sent up in advance of a large one, to show the direction and force of the wind. -- Pilot bird . (Zoology) (a) A bird found near the Caribbee Islands; -- so called because its presence indicates to mariners their approach to these islands. Crabb. (b) The black- bellied plover. [ Local, U.S.] -- Pilot boat , a strong, fast-sailing boat used to carry and receive pilots as they board and leave vessels. -- Pilot bread , ship biscuit. -- Pilot cloth , a coarse, stout kind of cloth for overcoats. -- Pilot engine , a locomotive going in advance of a train to make sure that the way is clear. -- Pilot fish . (Zoöl) (a) A pelagic carangoid fish ( Naucrates ductor ); -- so named because it is often seen in company with a shark, swimming near a ship, on account of which sailors imagine that it acts as a pilot to the shark . (b) The rudder fish ( Seriola zonata ). -- Pilot jack , a flag or signal hoisted by a vessel for a pilot. -- Pilot jacket , a pea jacket. -- Pilot nut (Bridge Building) , a conical nut applied temporarily to the threaded end of a pin, to protect the thread and guide the pin when it is driven into a hole. Waddell. -- Pilot snake (Zoology) (a) A large North American snake ( Coluber obsoleus ). It is lustrous black, with white edges to some of the scales. Called also mountain black snake . (b) The pine snake. -- Pilot whale . (Zoology) Same as Blackfish , 1.

Pilot Pi"lot transitive verb [ imperfect & past participle Piloted ; present participle & verbal noun Piloting .] [ Confer French piloter .] 1. To direct the course of, as of a ship, where navigation is dangerous.

2. Figuratively: To guide, as through dangers or difficulties. "The art of piloting a state." Berkeley.

Pilot Pi"lot noun 1. (Aëronautics) One who flies, or is qualified to fly, a balloon, an airship, or a flying machine.

2. (Machinery) A short plug at the end of a counterbore to guide the tool. Pilots are sometimes made interchangeable.

3. (Mining) The heading or excavation of relatively small dimensions, first made in the driving of a larger tunnel.

Pilot Pi"lot transitive verb (Aëronautics) To fly, or act as pilot of (an aircraft).

Pilot balloon Pilot balloon A small, unmanned balloon sent up to indicate the direction of air currents.

Pilot flag Pilot flag The flag hoisted at the fore by a vessel desiring a pilot, in the United States the union jack, in Great Britain the British union jack with a white border.

Pilot lamp, light Pilot lamp, light (Electricity) A small incandescent telltale lamp on a dynamo or battery circuit to show approximately by its brightness the voltage of the current.

Pilot valve Pilot valve (Hydraulics) A small hand- operated valve to admit liquid to operate a valve difficult to turn by hand.

Pilot wheel Pilot wheel (Machinery) A wheel, usually with radial handles projecting from the rim, for traversing the saddle of a machine tool, esp. an automatic machine tool, by hand.

Pilotage Pi"lotˇage noun [ Confer French pilotage .] 1. The pilot's skill or knowledge, as of coasts, rocks, bars, and channels. [ Obsolete] Sir W. Raleigh.

2. The compensation made or allowed to a pilot.

3. Guidance, as by a pilot. Sir W. Scott.

Pilotism, Pilotry Pi"lotˇism, Pi"lotˇry noun Pilotage; skill in the duties of a pilot. [ R.]

Pilour Pil"our noun A piller; a plunderer. [ Obsolete]

Pilous Pil"ous adjective See Pilose .

Pilpul Pil"pul noun [ Aramaic pilpūl ; confer Hebrew pilpel to spice, to season, dispute violently.] Among the Jews, penetrating investigation, disputation, and drawing of conclusions, esp. in Talmudic study. -- Pil"pul*ist noun -- Pil`pul*is"tic adjective

Pilser Pil"ser noun An insect that flies into a flame.

Pilular Pil"uˇlar adjective Of or pertaining to pills; resembling a pill or pills; as, a pilular mass.

Pilulous Pil"uˇlous adjective [ Latin pilula a pill. See Pill .] Like a pill; small; insignificant. [ R.] G. Eliot.

Pilwe Pil"we noun A pillow. [ Obsolete] Chaucer.

Pily Pi"ly adjective (Zoology) Like pile or wool.

Pimaric Piˇmar"ic adjective [ New Latin pi num mar itima, an old name for P. Pinaster , a pine which yields galipot.] (Chemistry) Pertaining to, or designating, an acid found in galipot, and isomeric with abietic acid.

Pimelic Piˇmel"ic adjective [ Greek ... fat.] (Chemistry) (a) Pertaining to, or designating, a substance obtained from certain fatty substances, and subsequently shown to be a mixture of suberic and adipic acids. (b) Designating the acid proper (C ₅ H ₁₀ (CO ₂ /H) ₂ ) which is obtained from camphoric acid.

Pimelite Pim"eˇlite noun [ Greek ... fat.] (Min.) An apple-green mineral having a greasy feel. It is a hydrous silicate of nickel, magnesia, aluminia, and iron.

Piment Pi"ment noun [ French See Pimento .] Wine flavored with spice or honey. See Pigment , 3. [ Obsolete]

Pimenta Piˇmen"ta noun (Botany) Same as Pimento .

Pimento Piˇmen"to noun [ Spanish pimiento , pimienta ; confer Portuguese pimenta , French piment ; all from Latin pigmentum a paint, pigment, the juice of plants; hence, something spicy and aromatic. See Pigment .] (Botany) Allspice; -- applied both to the tree and its fruit. See Allspice .

Pimiento Piˇmien"to noun [ Spanish ] The Spanish sweet pepper, the fruit of which is used as a vegetable, to stuff olives, etc.

Pimlico Pim"liˇco noun (Zoology) The friar bird.

Pimola Pimˇo"la noun An olive stuffed with a kind of sweet red pepper, or pimiento.

Pimp Pimp (pĭmp) noun [ Confer French pimpant smart, sparkish; perhaps akin to piper to pipe, formerly also, to excel. Confer Pipe .] One who provides gratification for the lust of others; a procurer; a pander. Swift.

Pimp Pimp intransitive verb [ imperfect & past participle Pimped (pĭmt; 215); present participle & verbal noun Pimping .] To procure women for the gratification of others' lusts; to pander. Dryden.

Pimpernel Pim"perˇnel noun [ French pimprenelle ; confer Spanish pimpinela , Italian pimpinella ; perhaps from Late Latin bipinnella , for bipinnula two-winged, equiv. to Latin bipennis ; bis twice + penna feather, wing. Confer Pen a feather.] (Botany) A plant of the genus Anagallis , of which one species ( A. arvensis ) has small flowers, usually scarlet, but sometimes purple, blue, or white, which speedily close at the approach of bad weather.

Water pimpernel . (Botany) See Brookweed .

Pimpillo Pim"pilˇlo noun (Botany) A West Indian name for the prickly pear ( Opuntia ); -- called also pimploes .

Pimpinel Pim"piˇnel noun [ See Pimpernel .] (Botany) The burnet saxifrage. See under Saxifrage .

Pimping Pimp"ing adjective [ Confer German pimpelig , pimpelnd , sickly, weak.] 1. Little; petty; pitiful. [ Obsolete] Crabbe.

2. Puny; sickly. [ Local, U.S.]

Pimple Pim"ple noun [ Anglo-Saxon pīpelian to blister; confer Latin papula pimple.] 1. (Medicine) Any small acuminated elevation of the cuticle, whether going on to suppuration or not. "All eyes can see a pimple on her nose." Pope.

2. Fig.: A swelling or protuberance like a pimple. "A pimple that portends a future sprout." Cowper.

Pimpled Pim"pled adjective Having pimples. Johnson.

Pimply Pim"ply adjective Pimpled.

Pimpship Pimp"ship noun The office, occupation, or persom of a pimp. [ R.]

Pin Pin transitive verb (Metal Working) To peen.

Pin Pin transitive verb [ Confer Pen to confine, or Pinfold .] To inclose; to confine; to pen; to pound.

Pin Pin noun [ Middle English pinne , Anglo-Saxon pinn a pin, peg; confer Dutch pin , German pinne , Icelandic pinni , W. pin , Gael. & Ir. pinne ; all from Latin pinna a pinnacle, pin, feather, perhaps orig. a different word from pinna feather. Confer Fin of a fish, Pen a feather.] 1. A piece of wood, metal, etc., generally cylindrical, used for fastening separate articles together, or as a support by which one article may be suspended from another; a peg; a bolt.

With pins of adamant
And chains they made all fast.

Milton.

2. Especially, a small, pointed and headed piece of brass or other wire (commonly tinned), largely used for fastening clothes, attaching papers, etc.

3. Hence, a thing of small value; a trifle.

He . . . did not care a pin for her.

Spectator.

4. That which resembles a pin in its form or use ; as: (a) A peg in musical instruments, for increasing or relaxing the tension of the strings. (b) A linchpin. (c) A rolling-pin. (d) A clothespin. (e) (Machinery) A short shaft, sometimes forming a bolt, a part of which serves as a journal. See Illust. of Knuckle joint , under Knuckle . (f) (Joinery) The tenon of a dovetail joint.

5. One of a row of pegs in the side of an ancient drinking cup to mark how much each man should drink.

6. The bull's eye, or center, of a target; hence, the center. [ Obsolete] "The very pin of his heart cleft." Shak.

7. Mood; humor. [ Obsolete] "In merry pin ." Cowper.

8. (Medicine) Caligo. See Caligo . Shak.

9. An ornament, as a brooch or badge, fastened to the clothing by a pin; as, a Masonic pin .

10. The leg; as, to knock one off his pins . [ Slang]

Banking pin (Horol.) , a pin against which a lever strikes, to limit its motion. -- Pin drill (Mech.) , a drill with a central pin or projection to enter a hole, for enlarging the hole, or for sinking a recess for the head of a bolt, etc.; a counterbore. -- Pin grass . (Botany) See Alfilaria . -- Pin hole , a small hole made by a pin; hence, any very small aperture or perforation. -- Pin lock , a lock having a cylindrical bolt; a lock in which pins, arranged by the key, are used instead of tumblers. -- Pin money , an allowance of money, as that made by a husband to his wife, for private and personal expenditure. -- Pin rail (Nautical) , a rail, usually within the bulwarks, to hold belaying pins. Sometimes applied to the fife rail . Called also pin rack . -- Pin wheel . (a) A contrate wheel in which the cogs are cylindrical pins . (b) (Fireworks) A small coil which revolves on a common pin and makes a wheel of yellow or colored fire.

Pin Pin transitive verb [ imperfect & past participle Pinned ; present participle & verbal noun Pinning .] [ See Pin , noun ] To fasten with, or as with, a pin; to join; as, to pin a garment; to pin boards together. "As if she would pin her to her heart." Shak.

To pin one's faith upon , to depend upon; to trust to.

Pin-eyed Pin"-eyed` adjective (Botany) Having the stigma visible at the throad of a gamopetalous corolla, while the stamens are concealed in the tube; -- said of dimorphous flowers. The opposite of thrum-eyed .

Pin-fire Pin"-fire` adjective (Mil.) Having a firing pin to explode the cartridge; as, a pin- fire rifle.

Pin-tailed Pin"-tailed` adjective (Zoology) Having a tapered tail, with the middle feathers longest; -- said of birds.

Pinacate bug Pin`aˇca"te bug [ Orig. uncert.] Any of several clumsy, wingless beetles of the genus Eleodes , found in the Pacific States.

Pinacoid Pin"aˇcoid noun [ Greek ..., ..., a tablet + -oid .] (Crystallog.) A plane parallel to two of the crystalline axes.

Pinacolin Piˇnac"oˇlin noun [ Pinac one + Latin ol eum oil.] (Chemistry) A colorless oily liquid related to the ketones, and obtained by the decomposition of pinacone; hence, by extension, any one of the series of which pinacolin proper is the type. [ Written also pinacoline .]

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