HOOF, noun 1. The horny substance that covers or terminates the feet of certain animals, as horses, oxen, sheep, goats, deer, etc. 2. An animal; a beast. He had not a single hoof of any kind to slaughter. HOOF, verb intransitive To walk, as cattle. [Little used.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI