‖prop. n. [ NL., fr. Gr. pe`kein to comb + petri`s a kind of fern. ] (Paleon.) An extensive genus of fossil ferns; -- so named from the regular comblike arrangement of the leaflets. [ 1913 Webster ]
‖n. pl. [ NL., fr. L. pecus. See Pecuniary. ] (Zool.) An extensive division of ruminants, including the antelopes, deer, and cattle. [ 1913 Webster ]