(politics) A member or supporter of a democratic party.

(US politics) A member or supporter of the Democratic Party in the United States.

(politics) A proponent of democracy.

(US politics, proscribed, derogatory, offensive) Of or belonging to the Democratic Party in the United States.

(historical) A supporter of democracy; an advocate of democratic politics (originally as opposed to the aristocrats in Revolutionary France).

Someone who rules a representative democracy.

(US, historical) A large light uncovered wagon with two or more seats.