<p><strong>Noun</strong></p><ul><li>A flag or banner, as a military or naval standard used to indicate nationality.</li><li>Synonyms:<ul><li>Streamer</li><li>Pennant</li></ul></li><li>A badge of office or authority, as heraldic arms.</li><li>A sign, token, or emblem: the dove, an ensign of peace.</li><li>U.S. Navy and Coast Guard: the lowest commissioned officer, ranking next below a lieutenant, junior grade, and equal to a second lieutenant in the Army.</li><li>Archaic: standard-bearer (def 1).</li></ul>