Available Definitions:
1) n. - One who elects, or has the right of choice; a person who is entitled to take part in an election, or to give his vote in favor of a candidate for office.
2) n. - Hence, specifically, in any country, a person legally qualified to vote.
3) n. - In the old German empire, one of the princes entitled to choose the emperor.
4) n. - One of the persons chosen, by vote of the people in the United States, to elect the President and Vice President.
5) a. - Pertaining to an election or to electors.