\Ed"der\, n. [See {Adder}.] (Zo["o]l.)
An adder or serpent. [Prov. Eng.] --Wright.

\Ed"der\, n. [AS. edor hedge, fence; akin to etar.]
Flexible wood worked into the top of hedge stakes, to bind
them together. [Obs.] --Tusser.

\Ed"der\, v. t.
To bind the top interweaving edder; as, to edder a hedge.
[Obs.]