a large seal of the North Atlantic, Halichoerus grypus.
See also: horse head
- 1894  They are of two species, the large grey or Greenland seal and the common or harbour seal.
- 1965  In January . . . grey seals, largest and rarest of all Canadian seals (Phocidae) haul out on this island [Basque I., off Cape Breton] to bear their young.