Defn: Contributing to tillage.
ARAUCARIA
Ar`au*ca"ri*a, n. Etym: [Araucania, a territory south of Chili.]
(Bot.)
Defn: 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
Ar`au*ca"ri*an, a.
Defn: Relating to, or of the nature of, the Araucaria. The earliest conifers in geological history were mostly Araucarian. Dana.
ARBALEST; ARBALIST
Ar"ba*lest, Ar"ba*list, n. Etym: [OF. arbaleste, LL. arbalista, for
L. arcuballista; arcus bow + ballista a military engine. See
Ballista.] (Antiq.)
Defn: 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. [Written also arbalet and arblast.] Fosbroke.
ARBALESTER; ARBALISTER Ar"ba*lest`er, Ar"ba*list`er, n. Etym: [OF. arblastere, OF. arbalestier. See Arbalest.]
Defn: A crossbowman. [Obs.] Speed.
ARBITER Ar"bi*ter, n. Etym: [L. arbiter; ar- (for ad) + the root of betere to go; hence properly, one who comes up to look on.]