Guillemot definition

gĭlə-mŏt
Any of several auks of the genus Cepphus of the northern Atlantic and Pacific Oceans, having black plumage with white markings.
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Any of various narrow-billed, northern alcidine shorebirds (genera Uria and Cepphus)
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Any seabird belonging to the genera Uria and Cepphus of the auk family Alcidae. They have black and white bodies and are good at swimming and diving.
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Other Word Forms

Noun

Singular:
guillemot
Plural:
guillemots

Origin of guillemot

  • French diminutive of the personal name Guillaume

    From American Heritage Dictionary of the English Language, 5th Edition