horn
horn \'ho.(*)rn\ \-l*s\ \-.li-k\ n [ME, fr. OE; akin to OHG horn, L cornu, Gk keras] often attrib 1a1: one of the paired bony processes that arise from the upper part of the head of many ungulate mammals, that function chiefly as weapons, and that in cattle and related forms are usu. present in both sexes and are unbranched and permanent with a bony core anchored to the skull and a sheath of horn and in deer are solid deciduous bony outgrowths usu. branching and usu. present only in the male 1a2: a part like an animal's horn attributed esp. to the devil 1b: a natural projection or excrescence from an animal resembling or sugges tive of a horn 1c1: the tough fibrous material consisting chiefly of keratin that covers o r forms the horns of cattle and related animals, hooves, or other horny parts (as claws or nails) 1c2: a manufactured product (as a plastic) resembling horn 1d: a hollow horn used to hold something 2: something resembling or suggestive of a horn : as 2a: one of the curved ends of a crescent 2b: a sharp mountain peak 2c: a beak-shaped part of an anvil 2d: a high pommel of a saddle 3a: an animal's horn used as a wind instrument 3b: a brass wind instrument; specif : FRENCH HORN 3c: a usu. electrical device that makes a noise like that of a horn 4: a source of strength - horn.less aj
Webster's English Dictionary