Eider down - definition of eider down by The Free Dictionary
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ei·der·down also eider down (ī′dər-doun′)
1. The down of the eider, used as stuffing for quilts and pillows.
2. A quilt stuffed with the down of the eider.
3. A warm napped fabric.
[Swedish ejderdun, from Icelandic ædhar-dún : ædhar, genitive of ædhr, eider (from Old Norse ǣdhr) + dún, down (from Old Norse dūnn).]
References in classic literature
Its vivid yellows fairly screamed aloud; its whites were as eider down
; its blacks glossy as the finest anthracite coal, and its coat long and shaggy as a mountain goat.
The landlord was near spraining his wrist, and I told him for heaven's sake to quit -- the bed was soft enough to suit me, and I did not know how all the planing in the world could make eider down
of a pine plank.