Queen  —n. 1 (as a title usu. Queen) female sovereign. 2 (in full queen consort) king's wife. 3 woman, country, or thing pre-eminent of its kind. 4 fertile female among ants, bees, etc. 5 most powerful piece in chess. 6 court-card depicting a queen. 7 (the queen) national anthem when the sovereign is female. 8 slang offens. Male homosexual. 9 belle or mock sovereign for some event (queen of the may). —v. Chess convert (a pawn) into a queen when it reaches the opponent's side of the board.  queenly adj. (-ier, -iest). Queenliness n. [old english]