— kneecapper , n.
/nee"kap'/ , n. , v. , kneecapped, kneecapping .
n.
1. the patella.
2. a protective covering, usually knitted, for the knee.
v.t.
3. to cripple (a person) by shooting in the knee: Terrorists were kneecapping prospective jurors.
[ 1650-60; KNEE + CAP 1 ]