American Dictionary of the English Language

RHINOC'EROS, noun [Latin rhinoceros; Gr. nose-horn.]

A genus of quadrupeds of two species, one of which, the unicorn, as a single horn growing almost erect from the nose. This animal when full grown, is said to be 12 feet in length. There is another species with two horns, the bicornis. They are natives of Asia and Africa.