Meaning & use
femur
The long bone that extends from the hip to the knee, forming the thigh bone in humans and other vertebrates.
See it in a sentence
The X-ray showed a clean fracture in the runner's femur after the collision.
The femur is the longest and strongest bone in the human skeleton.
A note on using this word
Femur is the standard anatomical and medical term; thighbone is the everyday equivalent.
Words with a similar meaning
thighbone
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