Definition of fur seal
:any of various eared seals that have a double coat with a dense soft underfur and were hunted especially formerly for their desirable pelts:
a
:a large seal (Callorhinus ursinus) of the northern Pacific Ocean having its main breeding rookery on Pribilof Island in the Bering Sea — called also
northern fur seal
b
:any of a genus (Arctocephalus) of seals chiefly of the southern hemisphere — called also
southern fur seal
