1. a conductor used to make electrical contact with some part of a circuit;
The Collaborative International Dictionary of English v.0.48:
Electrode \E*lec"trode\ ([-e]*l[e^]k"tr[=o]d), n. [Electro- +
Gr. "odo`s way, path: cf. F. ['e]lectrode.] (Elec.)
a conducting object by which electricity is conveyed into or
from a solution or other non-metallic conducting medium;
esp., the ends of the wires or conductors, leading from
source of electricity, and terminating in the medium
traversed by the current.
Note: Electrodes may be specially designed or made of a
special material for particular purposes, as for
example silver electrodes used in electroplating.
[1913 Webster +PJC] Electro-dynamic
WordNet (r) 3.0 (2006):
n 1: a conductor used to make electrical contact with some part
of a circuit