Femur (noun)

The bone in the human leg between the hip and the knee.

Origin:

From the latin word 'femur' meaning 'thigh bone'.

Examples:

1. The femur was the longest and strongest bone in the body.
2. The doctor checked the patient's femur for signs of a fracture.
3. The archeologists found the fossilized femur of a dinosaur.
4. The femur connected the pelvis to the knee, forming a hinge joint.
5. The runner felt pain in his femur after running a long distance.