noun / verb
knee
NEE/niː/
The bending joint between the upper and lower leg.
The bent knee joins the upper and lower portions of the leg.

Etymology
Old English cneow named the same joint between the thigh and lower leg, so the modern anatomical sense continues the older meaning.
In context
the part of the knee between the end of the thigh bone the femur and the top of the shin bone the tibia is called the tibia femoral joint
More examples
- She bends her knees before jumping.
- His jeans have holes at both knees.
- He accidentally kneed me under the table.
Forms
knee · knees · kneed · kneeing
kneel verb — To rest on one or both knees.
kneecap noun — The small bone covering the knee joint.
Similar words
- joint
- Names any connection between bones, not specifically the knee.