sea lion

noun

1. any of several large eared seals, as Eumetopias jubatus (Steller’s sea lion), of the northern Pacific, and Zalophus californicus (California sea lion), of the Pacific coast of North America.
2. Heraldry. a monster having the forepart of a lion, webbed forepaws, and the dorsal fin and tail of a fish.

noun

1. any of various large eared seals, such as Zalophus californianus (Californian sea lion), of the N Pacific, often used as a performing animal