jack rabbit


noun

any of various large hares of western North America, having very long hind legs and long ears.

Origin of jack rabbit

1860–65; jack(ass) + rabbit; so named from the size of its ears

British Dictionary definitions for jack rabbit

jack rabbit

noun

any of various W North American hares, such as Lepus townsendi (white-tailed jack rabbit), having long hind legs and large ears

Word Origin for jack rabbit

C19: shortened from jackass-rabbit, referring to its long ears