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Definition of eider

eider

/ˈaɪ.dɚ/
ei · der
Plural:eiders
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eider Lexical Profile

eider Game Scores & Validity

• noun

1

A large sea duck native to northern coasts of Europe, North America, and eastern Siberia, particularly known for the soft down feathers plucked from the breast of the female to line its nest.

Example

"We spotted a flock of eiders resting on the rocky shoreline during our Arctic expedition."

2

The incredibly soft down feathers obtained from the eider duck, traditionally used as a highly insulating stuffing for quilts and pillows.

Example

"The luxury winter coat was insulated with genuine eider, making it both lightweight and exceptionally warm."

Synonyms
View all synonyms for eider

• Rhymes for eider

• Nearby Words

egyptians
eh
eichhornia
eider
eiderdown
eiger
eight

Word Origin & Etymology

Derived from Old Norse 'æðr' (eider duck), entering English in the 18th century via Icelandic 'æður' or Swedish 'ejder'.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Eider. In Wordmom Dictionary. Retrieved Nov 6, 2026, from https://wordmom.com/dictionary/eider
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