noun

• (politics) A person eligible to vote in an election; a member of an electorate, a voter.
• (Britain, Commonwealth) A person eligible to vote to elect a Member of Parliament.
• A member of an electoral college; specifically (US) an official selected by a state as a member of the Electoral College to elect the president and vice president of the United States.
• (historical) A German prince entitled to elect the emperor of the Holy Roman Empire; a prince-elector.
• (historical) Alternative letter-case form of Elector (“a German prince entitled to elect the emperor of the Holy Roman Empire”). [(historical) A German prince entitled to elect the emperor of the Holy Roman Empire; a prince-elector.]