eiderdown.
| 单词 | θ39447 | 
| 释义 | the world > animals > birds > freshwater birds > order Anseriformes (geese, etc.) > subfamily Merginae (duck) > 			[noun]		 > genus Somateria > somateria mollissima (eider) > eider-down (2)		 Cuthbert down1397 eiderdown. eiderdown1774 The small soft feathers from the breast of the eider duck. Also attributive. | 
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