<p><strong>Plural Noun</strong></p><ul><li>The Twins, a zodiacal constellation between Taurus and Cancer containing the bright stars Castor and Pollux.</li><li>The third sign of the zodiac: the mutable air sign.</li><li>A person born under this sign, usually between May 21st and June 20th.</li><li>A two-person U.S. spacecraft designed for orbital rendezvous and docking, used in 1965–66 in various experiments preparatory to a landing on the moon.</li></ul>