| 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. |
| sea lion n. Any of several large-eared seals with relatively long neck and limbs, especially Zalophus californianus, of the northern Pacific. |