eider

/ˈaɪdə/US/ˈaɪdɚ/

eider noun: any of the species of Somateria spp. and Polysticta stelleri or of the seaduck subfamily Merginae, which line their nests with fine down (taken from their own bodies).

Image: Stephan Sprinz, CC BY 4.0, via Wikimedia Commons

Noun

eider (plural eiders)

Any of the species of Somateria spp. and Polysticta stelleri or of the seaduck subfamily Merginae, which line their nests with fine down (taken from their own bodies).

Synonyms:

eiderduck

Proper noun capitalized: Eider

Eider

A river in Germany, the boundary between Schleswig and Holstein.

eider meaning in Tamil

eider in Tamil

கடல் வாத்து

Synonyms of eider

eiderduck

Forms of eider

plural	eiders

Origin of eider

From Icelandic æðar, genitive of æðr, probably reaching English via Swedish eider (now ejder), from a North Germanic root.

Words formed from eider

Phrases with eider

Words that rhyme with eider

9 more rhymesFewer rhymes

Questions about eider

What does eider mean?: Eider means any of the species of Somateria spp. and Polysticta stelleri or of the seaduck subfamily Merginae, which line their nests with fine down (taken from their own bodies).
What is eider in Tamil?: Eider in Tamil is கடல் வாத்து. See Eider meaning in Tamil.
What part of speech is eider?: Eider can be a noun or a proper noun.
How do you pronounce eider?: Eider is pronounced /ˈaɪdə/ (UK).
What is the plural of eider?: The plural of eider is eiders.

Words near eider in the dictionary

Adapted from Wiktionary: eider (page history and authors); Eider (page history and authors); eider (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-eider.wav.

Cite this entry: “eider.” Word.ws, https://word.ws/eider. Based on Wiktionary, CC BY-SA 4.0.