threesome

adjective

1. consisting of three; threefold.
2. performed or played by three persons.

noun

3. three forming a group.
4. something in which three persons participate, as certain games.
5. Golf. a match in which two players, playing alternately with one ball, compete against a third player who also plays one ball.

noun

1. a group of three
2. golf a match in which a single player playing his own ball competes against two others playing alternate strokes on the same ball
3. any game, etc, for three people
4. (modifier) performed by threea threesome game

n.late 14c., from three + -some (2).