| Word | Definitions | Synonyms |
|---|---|---|
| eider | (noun) duck of the Northern Hemisphere much valued for the fine soft down of the females | Synonyms: eider duck |
| eiderdown | (noun) down of the eider duck | - |
| (noun) a soft quilt usually filled with the down of the eider | Synonyms: continental quilt, duvet | |
| eidetic | (adjective) of visual imagery of almost photographic accuracy | - |
| eidos | (noun) (anthropology) the distinctive expression of the cognitive or intellectual character of a culture or a social group | - |