U'NICORN, noun [Latin unicornis; unus, one, and cornu, horn.] 1. an animal with one horn; the monoceros. this name is often applied to the rhinoceros. 2. The sea unicorn is a fish of the whale kind, called narwal, remarkable for a horn growing out at his nose. 3. A fowl. fossil unicorn or fossil unicorn's horn, a substance used in medicine, a terrene crustaceous spar.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI