<p><strong>Noun:</strong></p><ul><li>a member of the lowest grade of nobility.</li><li>(in Britain) a feudal vassal holding his lands under a direct grant from the king.</li><li>a direct descendant of such a vassal or his equal in the nobility.</li><li>a member of the House of Lords.</li><li>an important financier or industrialist, especially one with great power in a particular area: an oil baron.</li><li>a cut of mutton or lamb comprising the two loins, or saddle, and the hind legs.</li></ul>