femur
US /ˈfiː.mɚ/
UK /ˈfiː.mɚ/

1.
the bone of the thigh or upper hind limb, articulating at the hip and the knee.
:
•
The doctor examined the patient's broken femur.
•
The femur is the longest and strongest bone in the human body.
the bone of the thigh or upper hind limb, articulating at the hip and the knee.