a member of the genus Canis (probably descended from the common wolf) that has been domesticated by man since prehistoric times; occurs in many breeds

an old breed of tiny short-haired dog with protruding eyes from Mexico held to antedate Aztec civilization

breed of toy dogs originating in Japan having a silky black-and-white or red-and-white coat

breed of toy dogs having a long straight silky white coat

a Chinese breed of small short-legged dogs with a long silky coat and broad flat muzzle

a Chinese breed of small dog similar to a Pekingese