Any of a breed of the domestic cat having short hair, usually solid color, and an internal vestigial tail. a breed of cat that has no tail or only a very short tail. Breed of domestic cat believed to have come from the Isle of Man. Affectionate, loyal, and courageous, the compact Manx is distinguished by its taillessness and hopping gait. The rump is distinctly higher than the shoulders because the hind legs are longer than the forelegs. The Manx may be born with a tail, but ideally it should be tailless. The double coat may be any of several colours