1. Hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella
   "The knee joint allows for flexion and extension of the leg"; "The human knee joint allows for flexion and extension of the leg";
   - knee, human knee, articulatio genus, genu

Derived forms: knee joints

Type of: ginglymoid joint, ginglymus, hinge joint

Part of: leg, peg [informal], pin [informal], stick [informal]

Encyclopedia: Knee joint