Eider is a 5 letter English word. It's valid Scrabble word worth 6 points. It's valid Words with friends word worth 6 points.
You can make 47 anagrams from letters in eider (deeir).
1735-45; Icelandic æthar (in 18th century spelled ædar), genitive singular of æthur eider duck, in phrase ædar dūnn down of the eider duck; spelling eider German or Swedish
Then I bought a square Lapp cap, the top filled with eider down.
And there was no need, because my taking the eider explained it.'
There, he is in place—an eagle in a nest lined with down, soft as eider.
That is to say, it was really nothing more than the wing of an eider duck.
That passage to the Schleswig coast—the eider River, did you say?
On one island, that of Isafjardarjup, the eider ducks are said to nest in thousands.
The feathers sought were those of the Labrador Duck and the eider.
Therefore he is sometimes called Mitiling (with eider ducks).
The rudder was nothing much, but it was well that it held to the eider.
It obtains most of its food by diving, and, like the eider, often comes shorewards with the tide.