eider
UK /ˈaɪdə/ US /ˈaɪdɚ/
noun 1name 1
Definitions
noun
1
Any of the species of Somateria spp. and Polysticta stelleri or of the seaduck subfamily Merginae, which line their nests with fine down (taken from their own bodies).
name
1
A river in Germany, the boundary between Schleswig and Holstein.
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