ENGLISH
REFERENCE

femur

n.
C1 Advanced US //ˈfimɝ// UK //fˈiːmɐ// fe·mur

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.


SIMPLE

The femur is the largest bone in the human body.

CONTEXTUAL

Doctors often use the femur as a reference point when measuring the length of a patient's leg.

COMPLEX

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.

Synonyms
Origin

Borrowed from Latin femur (“thigh”).

© 2026 English Reference