<p><strong>Noun</strong></p><ul><li>Three forming a group.</li><li>Something in which three persons participate, as certain games.</li><li>Golf: a match in which two players, playing alternately with one ball, compete against a third player who also plays one ball.</li><li>Also called three-way: a sexual encounter with three participants.</li></ul><p><strong>Adjective</strong></p><ul><li>Consisting of three; threefold: a threesome consulting firm.</li><li>Performed or played by three persons: a threesome game of catch.</li></ul><p><strong>End of Response</strong></p>