Knee (noun)

  1. The joint of the leg connecting the thigh and the lower leg, allowing for movement in the sagittal plane.
  2. A part of a garment that covers the knee.
  3. The part of a stair or step where one tread changes direction to meet the next.

Origin:

Old english cnēo, of germanic origin; related to dutch knie and german knie.

Examples:

  1. He hurt his knee playing soccer.
  2. She wore a dress with a knee-length hem.
  3. The knee is a hinge joint.
  4. He was on his knees praying.
  5. The knee of the pants was worn out.
Some random words: adjust, dub, enthrone