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Definition of eiderdown

eiderdown

/ˈaɪ.dɚ.daʊn/
ei · der · down
Plural:eiderdowns
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eiderdown Lexical Profile

eiderdown Game Scores & Validity

• noun

1

The soft, fine underfeathers from the breast of the female eider duck, prized for their exceptional warmth and lightness as an insulating filling for bedding and cold-weather clothing.

Example

"The luxury winter parka was insulated with genuine eiderdown harvested from abandoned nests in Iceland."

2

British A quilt or comforter stuffed with eiderdown or another soft insulating material.

Example

"She pulled the thick floral eiderdown up to her chin to ward off the chill in the unheated bedroom."

Synonyms
View all synonyms for eiderdown

• Nearby Words

eh
eichhornia
eider
eiderdown
eiger
eight
eight-foot

Word Origin & Etymology

Borrowed in the late 17th century from Icelandic æðardúnn, a compound of æðr ('eider duck') and dúnn ('down feathers').

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Eiderdown. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/eiderdown
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