jackrabbit
/ˈdʒækˌræbɪt/noun
1- a hare found on the prairies and steppes of North America（北美草原上的）长耳大野兔。
1.1
- Genus Lepus, family Leporidae: several species.兔属, 兔科：数种。
词源
mid 19th cent.: abbreviation of jackass-rabbit, because of its long ears.