<p><strong>Noun</strong></p><ul><li>an area of canvas or other fabric extended to the wind in such a way as to transmit the force of the wind to an assemblage of spars and rigging mounted firmly on a hull, raft, iceboat, etc., so as to drive it along.</li><li>some similar piece or apparatus, as the part of an arm that catches the wind on a windmill.</li><li>a voyage or excursion, especially in a sailing vessel: They went for a sail around the island.</li><li>a sailing vessel or ship.</li><li>sailing vessels collectively: The fleet numbered 30 sail.</li><li>sails for a vessel or vessels collectively.</li><li>Sail, Astronomy. the constellation Vela.</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) to move along or travel over water: steamships sailing to Lisbon.</li><li>to manage a sailboat, especially for sport.</li><li>to begin a journey by water: We are sailing at dawn.</li><li>to move along in a manner suggestive of a sailing vessel: caravans sailing along.</li><li>to move along in a stately, effortless way: to sail into a room.</li><li>(used with object) to sail upon, over, or through: to sail the seven seas.</li><li>to navigate (a vessel).</li></ul><p><strong>Verb Phrase</strong></p><ul><li>Informal: to go vigorously into action; begin to act; attack.</li><li>to attack verbally: He would sail into his staff when work was going badly.</li></ul>