<p><strong>Adjective</strong></p><ul><li>Moving, directed, or situated toward the west: the westerly end of the field.</li><li>(Especially of a wind) coming from the west: a westerly gale.</li></ul><p><strong>Adverb</strong></p><ul><li>Toward the west: to escape westerly.</li><li>From the west: a sharp wind blowing westerly.</li></ul><p><strong>Noun</strong></p><ul><li>Westerlies (plural):<ul><li>A wind that blows from the west: an occasional westerly that pummeled the island.</li><li>Any semipermanent belt of westerly winds, especially those that prevail at latitudes lying between the tropical and polar regions of the earth.</li></ul></li></ul>