Kneejoint n. : The joint of the knee.

Kneejoint n. : A toggle joint; -- so called because consisting of two pieces jointed to each other end to end, making an angle like the knee when bent.

Example:
can a puppy with no Kneejoint walk?

Taxonomy
knee, cartilage, ligaments, femur, tibia, knee joint, Platzer, menisci, extension, patella, cruciate ligaments, ACL, rotation, injury, knee pain, flexion, stretches, lateral rotation.

Defination from the web:
knee joint joins the thigh with the leg and consists of two articulations: one between the femur and tibia, and one between the femur and ... The ligaments surrounding the knee joint offer stability by limiting movements and, together with several menisci and bursae, protects the ...