Jumping mouse Meaning, Definition & Usage

  1. noun any of several primitive mouselike rodents with long hind legs and no cheek pouches; of woodlands of Eurasia and North America

WordNet

Definitions
  1. (Zoöl.), North American mouse (Zapus Hudsonius), having a long tail and large hind legs. It is noted for its jumping powers. Called also kangaroo mouse.

Webster 1913