{ } a. [ L. bicornis; bis twice + cornu horn: cf. F. bicorne. Cf. Bickern. ] Having two horns; two-horned; crescentlike. [ 1913 Webster ]
n. [ L. tubus tube + cornu horn: cf. F. tubicorne. ] (Zool.) Any ruminant having horns composed of a bony axis covered with a horny sheath; a hollow-horned ruminant. [ 1913 Webster ]
a. Having hollow horns. [ 1913 Webster ]