Acanthopterygian, ak-an-thop-tėr-ij′i-an, adj. having spiny fins. [Gr. akantha, thorn, pteryx, pterygos, a wing, a fin.]
Acanthus, a-kan′thus, n. a prickly plant, called bear's breech or brank-ursine: (archit.) an ornament resembling its leaves used in the capitals of the Corinthian and Composite orders, &c.—also Acan′tha.—adjs. Acan′thine, Acanthā′ceous. [L.—Gr. akanthos—akē, a point, anthos, a flower.]
Acarpous, a-kar′pus, adj. (bot.) without, or not producing, fruit. [Gr. a, neg., and karpos, fruit.]
Acarus, ak′ar-us, n. a genus of minute insects, of the class Arachnides, embracing the mites and ticks:—pl. Ac′arī. [L.; Gr. akares, minute, too small to cut—a, neg., keirein, to cut short.]
Acatalectic, a-kat-a-lek′tik, adj. having the complete number of syllables as a verse: without defect.—n. an acatalectic verse. [L.—Gr. a, not, and Catalectic.]
Acatalepsy, a-kat-a-lep′si, n. incomprehensibility, a term of the sceptic school of Carneades, who thought nothing could be known to certainty by man.—adj. Acatalep′tic. [Gr. akatalēpsia—a, neg., kata, thoroughly, lēpsis, a seizing—lambanein, to take hold.]
Acater, a-kāt′ėr, n. (obs.) a caterer.—n.pl. Acates′, provisions: food. [O. Fr. acateor, achatour (Fr. acheteur)—Low L. accaptātōr-em, accaptare, to acquire—L. ad-, to, and captāre, to seize. See Cates.]
Acaulescent, a-kaw-les′ent, adj. without a stalk: (bot.) having no stem above ground, or only a very short one.—Also Acau′lous. [a, neg., L. caulis, a stalk, formed on pattern of Arborescent.]
Accable, ak-kā′bl, v.t. (obs.) to crush, to encumber. [Fr. accabler, to crush.]