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1. Any of several auks of the genus Cepphus of the northern Atlantic and Pacific Oceans, having black plumage with white markings.
2. Chiefly British See murre.
[French, diminutive of the personal name Guillaume.]
(Animals) any northern oceanic diving bird of the genera Uria and Cepphus, having a black-and-white plumage and long narrow bill: family Alcidae (auks, etc), order Charadriiformes
[C17: from French, diminutive of Guillaume William]
a black or brown seabird of the genus Cepphus, of N seas, having a long, black bill, long neck, and red legs.
[1670–80; < French, appar. diminutive of Guillaume William]
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|Noun||1.||guillemot - small black or brown speckled auks of northern seas|
auk - black-and-white short-necked web-footed diving bird of northern seas
murre - black-and-white diving bird of northern seas