'kneecap' definitions:

Definition of 'kneecap'

From: WordNet
noun
A small flat triangular bone in front of the knee that protects the knee joint [syn: patella, kneecap, kneepan]
verb
Shoot in the kneecap, often done by terrorist groups as a warning; "They kneecapped the industrialist"

Definition of 'kneecap'

From: GCIDE
  • kneecap \knee"cap`\, n.
  • 1. (Anat.) A roundish, flattened, sesamoid bone in the tendon in front of the knee joint; the patella; the kneepan. [1913 Webster]
  • 2. A cap or protection for the knee.

Definition of 'kneecap'

From: GCIDE
  • kneecap \knee"cap\ v. t. to break the knees of, especially by shooting in the kneecap; -- often done by criminal or terrorist groups as a warning or punishment.
  • Note:
  • Syn: knee-cap. [WordNet 1.5]