Definition of eider in English:

eider

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.

Origin

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

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