Webster's Dictionary, 1913

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Ant-lion noun (Zoology) A neuropterous insect, the larva of which makes in the sand a pitfall to capture ants, etc. The common American species is Myrmeleon obsoletus , the European is M. formicarius .

Anti-trade noun A tropical wind blowing steadily in a direction opposite to the trade wind.

Anti-trade noun A westerly wind which blows nearly continuously between 30° and 50° of latitude in both the northern and the southern hemisphere.

Antithet noun [ Latin antitheton , from Greek ..., ..., antithetic.] An antithetic or contrasted statement. Bacon.

Antithetic, Antithetical adjective [ Greek ....] Pertaining to antithesis, or opposition of words and sentiments; containing, or of the nature of, antithesis; contrasted.

Antithetically adverb By way antithesis.

Antitoxin, Antitoxine noun [ Prefix anti- + toxin .] A substance (sometimes the product of a specific micro-organism and sometimes naturally present in the blood or tissues of an animal), capable of producing immunity from certain diseases, or of counteracting the poisonous effects of pathogenic bacteria.

Antitragus noun [ New Latin , from Greek ....] (Anat.) A prominence on the lower posterior portion of the concha of the external ear, opposite the tragus. See Ear .

Antitrochanter noun (Anat.) An articular surface on the ilium of birds against which the great trochanter of the femur plays.

Antitropal, Antitropous adjective [ Prefix anti- + Greek ... turn, ... to turn.] (Botany) At the extremity most remote from the hilum, as the embryo, or inverted with respect to the seed, as the radicle. Lindley.

Antitypal adjective Antitypical. [ R.]

Antitype (-tīp) noun [ Greek ... of corresponding form; ... against + ... type, figure. See Type .] That of which the type is the pattern or representation; that which is represented by the type or symbol.

Antitypical adjective Of or pertaining to an antitype; explaining the type. -- An`ti*typ"ic*al*ly , adverb

Antitypous adjective [ Greek ....] Resisting blows; hard. [ Obsolete] Cudworth.

Antitypy noun [ Greek ....] Opposition or resistance of matter to force. [ R.] Sir W. Hamilton.

Antivaccination noun Opposition to vaccination. London Times.

Antivaccinationist noun An antivaccinist.

Antivaccinist noun One opposed to vaccination.

Antivariolous adjective Preventing the contagion of smallpox.

Antivenereal adjective Good against venereal poison; antisyphilitic.

Antivenin noun [ Written also antivenen , antivenine .] [ Prefix anti- + Latin venenum poison.] (Physiol. Chem.) The serum of blood rendered antitoxic to a venom by repeated injections of small doses of the venom.

Antivivisection noun Opposition to vivisection.

Antivivisectionist noun One opposed to vivisection

Antizymic adjective Preventing fermentation.

Antizymotic adjective (Medicine) Preventing fermentation or decomposition. -- noun An agent so used.

Antler noun [ Middle English auntelere , Old French antoillier , andoiller , endouiller , from French andouiller , from an assumed Late Latin antocularis , from Latin ante before + oculus eye. See Ocular .] (Zoology) The entire horn, or any branch of the horn, of a cervine animal, as of a stag.

Huge stags with sixteen antlers .

» The branch next to the head is called the brow antler , and the branch next above, the bez antler , or bay antler . The main stem is the beam , and the branches are often called tynes . Antlers are deciduous bony (not horny) growths, and are covered with a periosteum while growing. See Velvet .

Antler moth (Zoology) , a destructive European moth ( Cerapteryx graminis ), which devastates grass lands.

Antlered adjective Furnished with antlers.

The antlered stag.

Antlia noun ; plural Antilæ [ Latin , a pump, Gr, ... hold of a ship] (Zoology) The spiral tubular proboscis of lepidopterous insects. See Lepidoptera .

Antonomasia noun [ Latin , from Greek ..., from ... to name instead; ... + ... to name, ... name.] (Rhet.) The use of some epithet or the name of some office, dignity, or the like, instead of the proper name of the person; as when his majesty is used for a king, or when, instead of Aristotle, we say, the philosopher ; or, conversely, the use of a proper name instead of an appellative, as when a wise man is called a Solomon , or an eminent orator a Cicero .

Antonomastic adjective Pertaining to, or characterized by, antonomasia. -- An`to*no*mas"tic*al*ly adverb

Antonomasy noun Antonomasia.

Antonym noun [ Greek ... a word used in substitution for another; ... + ..., ..., a word.] A word of opposite meaning; a counterterm; -- used as a correlative of synonym . [ R.] C. J. Smith.

Antorbital adjective [ Prefix anti- + orbital .] (Anat.) Pertaining to, or situated in, the region of the front of the orbit. -- noun The antorbital bone.

Antorgastic adjective See Antiorgastic .

Antozone noun [ Prefix anti- + ozone .] (Chemistry) A compound formerly supposed to be modification of oxygen, but now known to be hydrogen dioxide; -- so called because apparently antagonistic to ozone, converting it into ordinary oxygen.

Antral adjective (Anat.) Relating to an antrum.

Antre noun [ French antre , Latin antrum , from Greek ....] A cavern. [ Obsolete] Shak.

Antrorse (ăn*trôrs") adjective [ From Latin ante + versun turned; apparently formed in imitation of retrorse .] (Botany) Forward or upward in direction. Gray.

Antrovert transitive verb To bend forward. [ R.] Owen.

Antrum noun ; plural Antra [ Latin , from Greek ....] A cavern or cavity, esp. an anatomical cavity or sinus . Huxley.

Antrustion noun [ French, from Late Latin antrustio .] A vassal or voluntary follower of Frankish princes in their enterprises .

Anubis noun [ Latin ] (Myth.) An Egyptian deity, the conductor of departed spirits, represented by a human figure with the head of a dog or fox.

Anura (ȧ*nū"rȧ) noun plural [ New Latin , from Greek 'an priv. + o'yra` a tail.] (Zoology) One of the orders of amphibians characterized by the absence of a tail, as the frogs and toads. [ Written also anoura .]

Anurous adjective (Zoology) Destitute of a tail, as the frogs and toads. [ Also written anourous .]

Anury noun [ Greek 'an priv. + o'y^ron urine.] (Medicine) Nonsecretion or defective secretion of urine; ischury.

Anus noun [ Latin , probably for asnus : confer Greek ... to sit, Sanskrit ās .] (Anat.) The posterior opening of the alimentary canal, through which the excrements are expelled.

Anvil noun [ Middle English anvelt , anfelt , anefelt , Anglo-Saxon anfilt , onfilt ; of uncertain origin; confer Old High German anafalz , Dutch aanbeld .]
1. An iron block, usually with a steel face, upon which metals are hammered and shaped.

2. Anything resembling an anvil in shape or use. Specifically (Anat.) , the incus. See Incus .

To be on the anvil , to be in a state of discussion, formation, or preparation, as when a scheme or measure is forming, but not matured. Swift.

Anvil transitive verb To form or shape on an anvil; to hammer out; as, anviled armor. Beau. & Fl.

Anxietude noun [ Latin anxietudo .] The state of being anxious; anxiety. [ R.]

Anxiety noun ; plural Anxieties [ Latin anxietas , from anxius : confer French anxiété . See Anxious .]
1. Concern or solicitude respecting some thing or event, future or uncertain, which disturbs the mind, and keeps it in a state of painful uneasiness.

2. Eager desire. J. D. Forbes

3. (Medicine) A state of restlessness and agitation, often with general indisposition and a distressing sense of oppression at the epigastrium. Dunglison.

Syn. -- Care; solicitude; foreboding; uneasiness; perplexity; disquietude; disquiet; trouble; apprehension; restlessness. See Care .