<p><strong>Noun</strong></p><ul><li>A company or set of four.</li><li>Two couples.</li><li>A quartet: to make up a foursome for bridge.</li><li>Golf: A match between two pairs of players, each of whom plays their own ball. Also called Scotch foursome.</li><li>A match between two pairs of players, in which each pair plays one ball and partners stroke alternately.</li></ul><p><strong>Adjective</strong></p><ul><li>Consisting of four persons, things, etc.; performed by or requiring four persons.</li></ul>