eider

eider
[ˈʌɪdə]
(亦作 eider duck)
(复同单,或 eiders)
  1. a northern sea duck, of which the male has mainly black-and-white plumage with a coloured head, and the brown female has soft down feathers which are used to line the nest
    绒鸭,绵凫
  2. Genus Somateria (and Polysticta), family Anatidae: four species, in particular the common eider (S. mollissima)
    绒鸭属,鸭科: 4种,尤指欧绒鸭(拉丁名S. mollissima)
    ■(亦作 eider down)[mass noun]small, soft feathers from the breast of the female eider duck
    绒鸭绒,绒鸭绒毛
语源
  1. late 17th cent.: from Icelandic æthur, from Old Norse æthr
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