<p><strong>noun</strong></p><ul><li>an officer of the peace, having police and minor judicial functions, usually in a small town or rural district (Chiefly British)</li><li>a police officer</li><li>an officer of high rank in medieval monarchies, usually the commander of all armed forces, especially in the absence of the ruler</li><li>the keeper or governor of a royal fortress or castle</li></ul>