Meaning of LEG in English
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. 2012