noun
plural knees
[count] the joint that bends at the middle of your leg
the upper part of your leg when you are sitting
the part that covers the knee on a pair of pants
a forceful hit with a bent knee
bring (someone) to his/her knees
to completely defeat or overwhelm (someone)
learn (something) at your mother's knee
to learn (something) when you are very young
on bended knee/knees
weak at/in the knees
verb
knees; kneed; kneeing
[+ obj] :to hit (a person) with your knee