eider

noun ei·der \ˈī-dər\

Definition of EIDER

: any of several large northern sea ducks (genera Somateria and Polystica) having fine soft down that is used by the female for lining the nest —called also eider duck

: eiderdown 1

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Origin of EIDER

Dutch, German, or Swedish, from Icelandic æthur, from Old Norse æthr

First Known Use: 1743

Other Birds Terms

aerie, bunting, clutch, covey, hackle, ratite, rictus, ruff, skein, zygodactyl

Rhymes with EIDER

bider, cider, glider, guider, hider, rider, slider, spider, strider, stridor

EIDER Defined for Kids

eider

noun ei·der \ˈī-dər\

Definition of EIDER for Kids

: a large duck of northern seas with very soft down

Learn More About EIDER

Britannica.com: Encyclopedia article about "eider"

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