Definition of black-backed gull in English:

black-backed gull

noun

  • 1(More fully great black-backed gull, greater black-backed gull) the large Larus marinus, of the North Atlantic.

  • 2(More fully Southern black-backed gull) the kelp gull, L. dominicanus, of the southern hemisphere.

  • 3(More fully lesser black-backed gull) L. fuscus, of European coasts.

Origin

Late 18th century; earliest use found in Thomas Pennant (1726–1798), naturalist, traveller, and writer.