pika definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
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
Origin: ; from Tungusic name
pika definition by American Heritage Dictionary
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.
Origin: Evenki piika, perhaps from Russian pikat', to squeak.