eider
noun pl. eiders or eider
- any of several large sea ducks (esp. genus Somateria) that live in northern regions of Europe, Asia, and North America
- eiderdown (sense )
See eider in American Heritage Dictionary 4
(īˈdər)
noun Any of several large sea ducks, especially of the genus Somateria of northern regions, having soft, commercially valuable down and predominantly black and white plumage in the male.
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