knee•capPronunciation: (nē'kap"), [key]
—n., v., -capped, -cap•ping.
a protective covering, usually knitted, for the knee.
to cripple (a person) by shooting in the knee: Terrorists were kneecapping prospective jurors.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.