kneecap

noun
1
the small bone that covers the front of the knee
کشکک زانو, استخوان کشکک, پاتلا
synonym patella
verb
1
to shoot somebody in the knee or break somebody’s kneecaps as a form of punishment that is not official and is illegal
شلیک به زانو, شکستن کشکک زانو, زانو شکستن