Meaning of LEG in English

LEG

In a biped, the lower limb, jointed at the knee, supporting the body and used for walking and running.

Its bones are the femur (thighbone), the longest bone in the human body; patella (kneecap); tibia (shin); and fibula. The biceps muscle of the thigh bends the leg; the quadriceps straightens it.

Britannica English dictionary.      Английский словарь Британика.