Jackass \Jack"ass`\, n. [2d jack + ass.]
[1913 Webster]
1. The male ass; a donkey.
[1913 Webster]
2. A conceited dolt; a perverse blockhead; -- disparaging and
offensive.
[1913 Webster]
{Jackass bark} (Naut.), a three-masted vessel, with only the
foremast square-rigged; a barkentine.
{Jackass deer} (Zool.), the koba.
{Jackass hare}, {Jackass rabbit} (Zool.). See {Jack rabbit},
under 2d {Jack}, n.
{Jackass penguin} (Zool.), any species of penguin of the
genus {Spheniscus}, of which several are known. One
species ({Spheniscus demersus}) inhabits the islands near
the Cape of Good Hope; another ({Spheniscus Magellanicus})
is found at the Falkland Islands. They make a noise like
the braying of an ass; -- hence the name.
{Laughing jackass}. (Zool.) See under {Laughing}.
[1913 Webster]