<p><strong>Noun</strong></p><ul><li>a word or short phrase to be communicated, on challenge, to a sentinel or guard; password or countersign.</li><li>a word or phrase expressive of a principle or rule of action; slogan: Conservation has been our watchword.</li><li>a rallying cry of a party, club, team, etc.</li></ul><p><strong>End of Response</strong></p>