any of a family (Ochotonidae) of small, short-legged lagomorphs with rounded ears, found in rocky areas, usually at high altitudes, in W North America and in Asia
See pika in American Heritage Dictionary 4
(pīˈkə, pē-)
noun
Any of several small, tailless, furry mammals of the genus Ochotona of the mountains of North America and Eurasia, resembling guinea pigs but belonging to the order of lagomorphs that includes the hares and rabbits. Also called coney1, rock rabbit.