noun
white gull having a black back and wings
• Syn: ↑black-backed gull, ↑cob, ↑Larus marinus
• Member Holonyms: ↑Larus, ↑genus Larus
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noun : a very large black-backed gull (Larus marinus) that is becoming increasingly abundant along northern coasts on both the European and American sides of the Atlantic
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/blak"bakt'/.
See under black-backed gull.
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great black-backed gull,
a very large gull with black wings and back, found along the Atlantic Coast.
Useful english dictionary. 2012.