(gerund) The act of injuring the knees of (a person), usually by shooting at the knees; often a punishment carried out by criminals or terrorists.

present participle of kneecap

plural of kneecapping

(anatomy) The flat, roundish bone in the knee. / (roofing) A metal cover trim that fits over a panel rib after it has been cut and bent.

(transitive) To destroy the knees of (a person), usually by shooting at the knees, as a punishment carried out by criminals or terrorists.

plural of kneecap

simple past tense and past participle of kneecap