jack rabbit
noun
1.
any of various large hares of western North America, having very long hind legs and long ears.
Origin
1860-65;
jack(ass)
+
rabbit
; so named from the size of its ears
Examples from the web for
jack rabbit
They spot a
jack rabbit
and open fire, immediately hitting their target.
British Dictionary definitions for
jack rabbit
jack rabbit
noun
1.
any of various W North American hares, such as
Lepus townsendi
(
white-tailed jack rabbit
), having long hind legs and large ears
Word Origin
C19: shortened from
jackass-rabbit
, referring to its long ears