Definition of eider in English:

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Pronunciation: /ˈʌɪdə/
(also eider duck)

noun (plural same or eiders)

A northern sea duck, of which the male is mainly black-and-white with a coloured head, and the female brown.
  • Genus Somateria (and Polysticta), family Anatidae: four species.
Example sentences
  • Sea ducks like scoters and eiders are also divers.
  • Both of these types are plentiful on the Cape, as are sea ducks, such as scoters and eiders, viewable from many vantage points.
  • They frequently nest in colonies, often in association with eiders.


Late 17th century: from Icelandic æthur, from Old Norse æthr.

Words that rhyme with eider

chider, cider, divider, glider, Guider, Haida, hider, Ida, insider, Oneida, outsider, provider, rider, Ryder, Saida, slider, spider, strider, stridor

For editors and proofreaders

Line breaks: eider

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