Arango (n.) A bead of rough carnelian. Arangoes were formerly imported from Bombay for use in the African slave trade.
Arapaima (n.) A large fresh-water food fish of South America.
Arara (n.) The palm (or great black) cockatoo, of Australia (Microglossus aterrimus).
Aration (n.) Plowing; tillage.
Aratory (a.) Contributing to tillage.
Araucaria (n.) 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.
Araucarian (a.) Relating to, or of the nature of, the Araucaria. The earliest conifers in geological history were mostly Araucarian.
Arbalest (n.) Alt. of Arbalist
Arbalist (n.) 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.
Arbalester (n.) Alt. of Arbalister
Arbalister (n.) A crossbowman.
Arbiter (n.) A person appointed, or chosen, by parties to determine a controversy between them.
Arbiter (n.) Any person who has the power of judging and determining, or ordaining, without control; one whose power of deciding and governing is not limited.
Arbiter (v. t.) To act as arbiter between.
Arbitrable (v. t.) Capable of being decided by arbitration; determinable.
Arbitrage (n.) Judgment by an arbiter; authoritative determination.
Arbitrage (n.) A traffic in bills of exchange (see Arbitration of Exchange); also, a traffic in stocks which bear differing values at the same time in different markets.
Arbitral (a.) Of or relating to an arbiter or an arbitration.
Arbitrament (n.) Determination; decision; arbitration.
Arbitrament (n.) The award of arbitrators.
Arbitrarily (adv.) In an arbitrary manner; by will only; despotically; absolutely.
Arbitrariness (n.) The quality of being arbitrary; despoticalness; tyranny.
Arbitrarious (a.) Arbitrary; despotic.
Arbitrary (a.) Depending on will or discretion; not governed by any fixed rules; as, an arbitrary decision; an arbitrary punishment.
Arbitrary (a.) Exercised according to one's own will or caprice, and therefore conveying a notion of a tendency to abuse the possession of power.
Arbitrary (a.) Despotic; absolute in power; bound by no law; harsh and unforbearing; tyrannical; as, an arbitrary prince or government.
Arbitrated (imp. & p. p.) of Arbitrate
Arbitrating (p. pr. & vb. n.) of Arbitrate
Arbitrate (v. t.) To hear and decide, as arbitrators; as, to choose to arbitrate a disputed case.
Arbitrate (v. t.) To decide, or determine generally.
Arbitrate (v. i.) To decide; to determine.
Arbitrate (v. i.) To act as arbitrator or judge; as, to arbitrate upon several reports; to arbitrate in disputes among neighbors; to arbitrate between parties to a suit.
Arbitration (n.) The hearing and determination of a cause between parties in controversy, by a person or persons chosen by the parties.
Arbitrator (n.) A person, or one of two or more persons, chosen by parties who have a controversy, to determine their differences. See Arbitration.
Arbitrator (n.) One who has the power of deciding or prescribing without control; a ruler; a governor.
Arbitratrix (n.) A female who arbitrates or judges.
Arbitress (n.) A female arbiter; an arbitratrix.
Arblast (n.) A crossbow. See Arbalest.
Arbor (n.) A kind of latticework formed of, or covered with, vines, branches of trees, or other plants, for shade; a bower.
Arbor (n.) A tree, as distinguished from a shrub.
Arbor (n.) An axle or spindle of a wheel or opinion.
Arbor (n.) A mandrel in lathe turning.
Arborary (a.) Of or pertaining to trees; arboreal.
Arborator (n.) One who plants or who prunes trees.
Arbor Dianae () A precipitation of silver, in a beautiful arborescent form.
Arboreal (a.) Of or pertaining to a tree, or to trees; of nature of trees.
Arboreal (a.) Attached to, found in or upon, or frequenting, woods or trees; as, arboreal animals.
Arbored (a.) Furnished with an arbor; lined with trees.
Arboreous (a.) Having the form, constitution, or habits, of a proper tree, in distinction from a shrub.
Arboreous (a.) Pertaining to, or growing on, trees; as, arboreous moss.
Arborescence (n.) The state of being arborescent; the resemblance to a tree in minerals, or crystallizations, or groups of crystals in that form; as, the arborescence produced by precipitating silver.
Arborescent (a.) Resembling a tree; becoming woody in stalk; dendritic; having crystallizations disposed like the branches and twigs of a tree.
Arboret (n.) A small tree or shrub.
Arboreta (pl. ) of Arboretum
Arboretum (n.) A place in which a collection of rare trees and shrubs is cultivated for scientific or educational purposes.
Arborical (a.) Relating to trees.
Arboricole (a.) Tree-inhabiting; -- said of certain birds.
Arboricultural (a.) Pertaining to arboriculture.
Arboriculture (n.) The cultivation of trees and shrubs, chiefly for timber or for ornamental purposes.
Arboriculturist (n.) One who cultivates trees.
Arboriform (a.) Treelike in shape.
Arborist (n.) One who makes trees his study, or who is versed in the knowledge of trees.
Arborization (n.) The appearance or figure of a tree or plant, as in minerals or fossils; a dendrite.
Arborized (a.) Having a treelike appearance.
Arborous (a.) Formed by trees.
Arbor vine () A species of bindweed.
Arbor vitae () An evergreen tree of the cypress tribe, genus Thuja. The American species is the T. occidentalis.
Arbor vitae () The treelike disposition of the gray and white nerve tissues in the cerebellum, as seen in a vertical section.
Arbuscle (n.) A dwarf tree, one in size between a shrub and a tree; a treelike shrub.
Arbuscular (a.) Of or pertaining to a dwarf tree; shrublike.
Arbustive (a.) Containing copses of trees or shrubs; covered with shrubs.
Arbutus (n.) Alt. of Arbute
Arbute (n.) The strawberry tree, a genus of evergreen shrubs, of the Heath family. It has a berry externally resembling the strawberry; the arbute tree.
Arc (n.) A portion of a curved line; as, the arc of a circle or of an ellipse.
Arc (n.) A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant.
Arc (n.) An arch.
Arc (n.) The apparent arc described, above or below the horizon, by the sun or other celestial body. The diurnal arc is described during the daytime, the nocturnal arc during the night.
Arcade (n.) A series of arches with the columns or piers which support them, the spandrels above, and other necessary appurtenances; sometimes open, serving as an entrance or to give light; sometimes closed at the back (as in the cut) and forming a decorative feature.
Arcade (n.) A long, arched building or gallery.
Arcade (n.) An arched or covered passageway or avenue.
Arcaded (a.) Furnished with an arcade.
Arcadia (n.) A mountainous and picturesque district of Greece, in the heart of the Peloponnesus, whose people were distinguished for contentment and rural happiness.
Arcadia (n.) Fig.: Any region or scene of simple pleasure and untroubled quiet.
Arcadian (a.) Alt. of Arcadic
Arcadic (a.) Of or pertaining to Arcadia; pastoral; ideally rural; as, Arcadian simplicity or scenery.
Arcane (a.) Hidden; secret.
Arcana (pl. ) of Arcanum
Arcanum (n.) A secret; a mystery; -- generally used in the plural.
Arcanum (n.) A secret remedy; an elixir.
Arcboutant (n.) A flying buttress.
Arch (n.) Any part of a curved line.
Arch (n.) Usually a curved member made up of separate wedge-shaped solids, with the joints between them disposed in the direction of the radii of the curve; used to support the wall or other weight above an opening. In this sense arches are segmental, round (i. e., semicircular), or pointed.
Arch (n.) A flat arch is a member constructed of stones cut into wedges or other shapes so as to support each other without rising in a curve.
Arch (n.) Any place covered by an arch; an archway; as, to pass into the arch of a bridge.
Arch (n.) Any curvature in the form of an arch; as, the arch of the aorta.
Arched (imp. & p. p.) of Arch
Arching (p. pr. & vb. n.) of Arch
Arch (v. t.) To cover with an arch or arches.
Arch (v. t.) To form or bend into the shape of an arch.
Arch (v. i.) To form into an arch; to curve.