<p><strong>Noun</strong></p><ul><li>the patella</li><li>a protective covering, usually knitted, for the knee.</li></ul><p><strong>Verb</strong></p><ul><li>kneecapped</li><li>kneecapping</li><li>to cripple (a person) by shooting in the knee: Terrorists were kneecapping prospective jurors.</li></ul>