<p><strong>Noun</strong></p><ul><li>the male parent of a quadruped</li><li>a respectful term of address, now used only to a male sovereign</li><li>Archaic: a father or forefather</li><li>a person of importance or in a position of authority, as a lord</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) sired, sir·ing: to beget; procreate as the father</li></ul>