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eiderdown


ei·der·down

noun \-ˌdan\

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

Origin of EIDERDOWN

probably from German Eiderdaune, from Icelandic æthardūnn, from æthur + dūnn 7down
First Known Use: 1774

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