The definition of a cat is any member of the family Felidae including lions, tigers and house cats.(noun)
An example of cat is Garfield.
See cat in Webster's New World College Dictionary
Origin: ME & OE, both < a general European root < LL cattus; prob. of Afr orig.
See cat in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old English catt
Origin: , from Germanic *kattuz
Origin: . Sense 6d, short for catamaran.
Learn more about cat