femur
n.n. the longest and strongest bone in your body. It runs from your hip to your knee.
n. the longest and strongest bone in the human body, extending from the hip to the knee. It is the primary weight-bearing bone of the lower limb.
The femur is the largest bone in the human body.
Doctors often use the femur as a reference point when measuring the length of a patient's leg.
The femur is uniquely adapted to withstand the immense compressive forces generated during activities like running or jumping, featuring a thick cortical shell and a hollow medullary cavity.
Borrowed from Latin femur (“thigh”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
- Nounfemur
- Adjectivefemoral
Last updated May 18, 2026