Definition of eiderdown
1 : the down of the eider
2 : a comforter filled with eiderdown
3 : a soft lightweight clothing fabric knitted or woven and napped on one or both sides
From the M-W Editors
Origin and Etymology of eiderdown
probably from German Eiderdaune, from Icelandic æthardūnn, from æthur + dūnn 7down
First Known Use: 1774
EIDERDOWN Defined for English Language Learners
eiderdown
playDefinition of eiderdown for English Language Learners
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: soft feathers that come from ducks and that are used in warm clothing and bed covers
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: a bed cover made with eiderdown
Learn More about eiderdown
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See words that rhyme with eiderdown Spanish Central: Translation of eiderdown Nglish: Translation of eiderdown for Spanish speakers Britannica.com: Encyclopedia article about eiderdown
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