eider down


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ei·der·down

also eider down  (ī′dər-doun′)
n.
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 ?
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.
And from Bronnoysund we took a 50-minute ferry trip to the Vega archipelago, to visit a museum devoted to the islanders' harvesting of eider down.
Beautiful bird," I said as I set the eider down gently on the rock next to me and stuffed a fresh shell into my shotgun.