knee

nouns

hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella
articulatio genus, genu, human knee, knee, knee joint
joint between the femur and tibia in a quadruped; corresponds to the human knee
knee, stifle
the part of a trouser leg that provides the cloth covering for the knee
knee
is a part of
a cloth covering consisting of the part of a pair of trousers that covers a person's leg
leg
is a type of (narrower)
a covering made of cloth
cloth covering