Apterous.

One of the Aptera.

Naked spaces between the feathered areas of birds. See Pteryli/.

Destitute of wings; apteral; as, apterous insects.

An order of birds, including the genus Apteryx.

a ratite bird order: flightless ground birds having vestigial wings and long bills and small eyes: kiwis.

A genus of New Zealand birds about the size of a hen, with only short rudiments of wings, armed with a claw and without a tail; the kiwi. It is allied to the gigantic extinct moas of the same country. Five species are known.

A natural or acquired disposition or capacity for a particular purpose, or tendency to a particular action or effect; as, oil has an aptitude to burn.

Suitable; fit.

In an apt or suitable manner; fitly; properly; pertinently; appropriately; readily.

Fitness; suitableness; appropriateness; as, the aptness of things to their end.

A noun which has no distinction of cases; an indeclinable noun.

Pertaining to, or characterized by, aptotes; uninflected; as, aptotic languages.

A shelly plate found in the terminal chambers of ammonite shells. Some authors consider them to be jaws; others, opercula.

A genus of fresh-water phyllopod crustaceans. See Phyllopod.

Without fever; -- applied to days when there is an intermission of fever.

Relating to apyrexy.

The absence or intermission of fever.

Incombustible; capable of sustaining a strong heat without alteration of form or properties.

Water; -- a word much used in pharmacy and the old chemistry, in various signification, determined by the word or words annexed.

of or pertaining to aquiculture.

the cultivation of aquatic animals, such as fish or shellfish, or of plants, such as seaweed, in a controlled and sometimes enclosed body of water. The term includes use of either salt or fresh water. It is a form of agriculture, but under water.

an apparatus containing compressed air or other oxygen-gas mixture, permitting a person to breathe under water; -- also called a scuba.

A transparent, pale green variety of beryl, used as a gem. See Beryl.

The introduction of water subcutaneously for the relief of pain.

A design or painting in thin transparent water colors; also, the mode of painting in such colors.

A painter in thin transparent water colors.

One of a sect of Christian in the primitive church who used water instead of wine in the Lord's Supper.

Of or pertaining to an aquarium.

An artificial pond, or a globe or tank (usually with glass sides), in which living specimens of aquatic animals or plants are kept.

The Water-bearer; the eleventh sign in the zodiac, which the sun enters about the 20th of January; -- so called from the rains which prevail at that season in Italy and the East. A constellation south of Pegasus.

An aquatic animal or plant.

Aquatic.

Inhabiting the water.

to etch in aquatint.

A kind of etching in which spaces are bitten by the use of aqua fortis, by which an effect is produced resembling a drawing in water colors or India ink; also, the engraving produced by this method.

a Scandinavian liquor usually flavored with caroway seeds; -- also called akvavit.

A conductor, conduit, or artificial channel for conveying water, especially one for supplying large cities with water.

Wateriness.

Partaking of the nature of water, or abounding with it; watery.

Wateriness.

an underground bed or layer yielding ground water for wells and springs etc.; as, the Oglala aquifer. The water contained in an aquifer may be of great age, and in such cases is sometimes called fossil water.

Consisting or conveying water or a watery fluid; as, aquiferous vessels; the aquiferous system.

a family of widely distributed shrubs and trees.

Having the form of water.

A genus of eagles.

Adorned with eagles' heads.

a plant of the genus Aquilegia having irregular showy spurred flowers; N temperate regions esp. mountains.

a plant of the genus Aquilegia having irregular showy spurred flowers; N temperate regions esp. mountains.

Belonging to or like an eagle.

The north wind.

Secreting water; -- applied to certain glands.

Of or pertaining to Aquitania, now called Gascony.

Watery; aqueous.

The condition of being wet or watery; wateriness.

Ere; before.

A name of the great blue and yellow macaw (Ara ararauna), native of South America.

One of a swarthy race occupying Arabia, and numerous in Syria, Northern Africa, etc.

A wagon or cart, usually heavy and without springs, and often covered.

Arabian.

A native of Arabia; an Arab.

The language of the Arabians.

Relating to Arabia; Arabic.

A carbohydrate, isomeric with cane sugar, contained in gum arabic, from which it is extracted as a white, amorphous substance.

A sugar of the composition C5H10O5, obtained from cherry gum by boiling it with dilute sulphuric acid.

An Arabic idiom peculiarly of language.

One well versed in the Arabic language or literature; also, formerly, one who followed the Arabic system of surgery.

Arable land; plow land.

The country of Arabia.

Of or pertaining to Aracan, a province of British Burmah. A native or natives of Aracan.

A South American bird, of the genus Pleroglossius, allied to the toucans. There are several species.

To tear up by the roots; to draw away.

Of or pertaining to an order of plants, of which the genus Arum is the type.

An arachnidan.

One of the classes of Arthropoda. See Illustration in Appendix.

One of the Arachnida.

Of or pertaining to the Arachnida. Pertaining to the arachnidium.

The glandular organ in which the material for the web of spiders is secreted.

Inflammation of the arachnoid membrane.

The arachnoid membrane.

Pertaining to the arachnoid membrane; arachnoid.

Same as Arachnida.

Of or pertaining to arachnology.

One who is versed in, or studies, arachnology.

The department of Zoology which treats of spiders and other Arachnida.

See Intercolumniation.

See Intercolumniation.

Of or pertaining to Aragon, in Spain, or to its inhabitants. A native or natives of Aragon, in Spain.

A mineral composed of calcium carbonate and identical in composition with calcite, but differing from it in its crystalline form and some of its physical characters.

A South American monkey, the ursine howler (Mycetes ursinus). See Howler, n., 2.

To raise.

Same as Arrack.

any of various plants of the genus Aralia; often aromatic plants having compound leaves and small umbellate flowers.

a family of mostly tropical trees and shrubs and lianas: ginseng; hedera.

Pertaining to Aram, or to the territory, inhabitants, language, or literature of Syria and Mesopotamia; Aram/an; -- specifically applied to the northern branch of the Semitic family of languages, including Syriac and Chaldee. The Aramaic language.

An idiom of the Aramaic.

Of or pertaining to the Syrians and Chaldeans, or to their language; Aramaic. A native of Aram.

a genus of common garden spiders.

an order of arthropods constituting the spiders.

relating to or resembling a spider.

Of or pertaining to the Araneina or spiders. One of the Araneina; a spider.

Having the form of a spider.

The order of Arachnida that includes the spiders.

See Araneina.

Of the aspect of a spider's web; arachnoid.

Cobweblike; extremely thin and delicate, like a cobweb; as, the araneous membrane of the eye. See Arachnoid.

A bead of rough carnelian. Arangoes were formerly imported from Bombay for use in the African slave trade.

A large fresh-water food fish of South America.

The palm (or great black) cockatoo, of Australia (Microglossus aterrimus).

Goa powder.

Plowing; tillage.

Contributing to tillage.

A genus of tall conifers of the pine family. The species are confined mostly to South America and Australia. The wood cells differ from those of other in having the dots in their lateral surfaces in two or three rows, and the dots of contiguous rows alternating. The seeds are edible.

a family of tall evergreen cone-bearing trees of South America and Australia with broad leathery leaves; in some classifications included in the Pinaceae.

Relating to, or of the nature of, the Araucaria. The earliest conifers in geological history were mostly Araucarian.

small genus of South American evergreen vines.

Lord of Annwfn (the other world; land of fairies).

Someone who engages in arbitrage (who purchases securities in one market for immediate resale in another in the hope of profiting from the price differential); shortened form of arbitrageur.

A crossbow, consisting of a steel bow set in a shaft of wood, furnished with a string and a trigger, and a mechanical device for bending the bow. It served to throw arrows, darts, bullets, etc.

A crossbowman.