- See under sea lion(def 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.
- Heraldry. a monster having the forepart of a lion, webbed forepaws, and the dorsal fin and tail of a fish.
- any of various large eared seals, such as Zalophus californianus (Californian sea lion), of the N Pacific, often used as a performing animal