| Noun | 1. | cottontail rabbit - common small rabbit of North America having grayish or brownish fur and a tail with a white underside; a host for Ixodes pacificus and Ixodes scapularis (Lyme disease ticks)rabbit, cony, coney - any of various burrowing animals of the family Leporidae having long ears and short tails; some domesticated and raised for pets or food hare, rabbit - flesh of any of various rabbits or hares (wild or domesticated) eaten as food | |