Definition from Wiktionary, the free dictionary
kneecapping (plural kneecappings)
- (uncountable) The act of destroying the kneecaps of (a person), usually by shooting at the knees, as a punishment carried out by criminals or terrorists.
- There have been five reports of kneecapping this month.
- (countable) An act of this type of punishment.
- The mafiosi punished the informer by giving him a kneecapping.