The consort of a king; a queen consort.

A woman who is the sovereign of a kingdom; a queen-regent; as Elizabeth, queen of England; Mary, queen of Scotland/\ .

The sovereign of a swarm of bees, or the female of the hive. A hive of bees cannot subsist without a queen. Queen of the meadows, meadow sweet, a plant of the genus Spiraea.

To play the queen; to act the part or character of a queen.