Definition of eider in English:


Line breaks: eider
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
More 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.

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Pronunciation: ˈrɛtrə(ʊ)flɛks
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