As nouns the difference between eider and edder
is that eider is while edder is flexible wood worked into the top of hedge stakes, to bind them together or edder can be an adder or snake.
As a verb edder is
(obsolete) to bind the top interweaving edder.
eider
Noun
(
en noun)
Any of the species of the genera Polysticta'' or ''Somateria , in the seaduck subfamily Merginae, which line their nests with fine down (taken from their own bodies).
Derived terms
* eiderdown
* common eider, Somateria mollissima
* king eider, Somateria spectabilis
* spectacled eider, Somateria fischeri
* Steller's eider, Polysticta stelleri
edder
English
Etymology 1
(etyl) ; akin to (etar).
Noun
(
en noun)
Flexible wood worked into the top of hedge stakes, to bind them together.
Verb
(
en verb)
(obsolete) To bind the top interweaving edder.
- to edder a hedge
Etymology 2
See adder.