jack rabbit: Meaning and Definition of
- any of various large hares of western North America, having very long hind legs and long ears.
Pronunciation: ( jak'rab"it), [key]
- resembling a jack rabbit, as in suddenness or rapidity of movement: The car made a jackrabbit start when the traffic light turned green.
- to go or start forward with a rapid, sudden movement.
- jackrabbit (Thesaurus)