n. 1 (in full eider duck) any of various large northern ducks, esp. of the genus Somateria. 2 (in full eider-down) small soft feathers from the breast of the eider duck.
[ Icel. aethr ]
n. 1 (in full eider duck) any of various large northern ducks, esp. of the genus Somateria. 2 (in full eider-down) small soft feathers from the breast of the eider duck.
[ Icel. aethr ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012