JACKASS

Jack″ass′ (?), n. [[2d jack + ass.]] 1. 1. The male ass; a donkey.
2. 2. A conceited dolt; a perverse blockhead.
Jackass bark (Naut.), a three-masted vessel, with only the foremast square-rigged; a barkentine. — Jackass deer (Zoöl.), the koba. — Jackass hare, Jackass rabbit (Zoöl.). See Jack rabbit, under 2d Jack, n. — Jackass penguin (Zoöl.), any species of penguin of the genus Spheniscus, of which several are known. One species (S. demersus) inhabits the islands near the Cape of Good Hope; another (S. Magellanicus) is found at the Falkland Islands. They make a noise like the braying of an ass; — hence the name. — Laughing jackass. (Zoöl.) See under Laughing.