Dictionary.com
Thesaurus.com

jack rabbit

American  

noun

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


jack rabbit British  

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of jack rabbit

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

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "jack rabbit" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com