Dictionary Home » Dictionary Definitions » femur

femur

Femur is defined as the thighbone, the longest and thickest bone in the body.

(noun)

A bone in your body that goes from your pelvis to your knee and that helps you to walk by allowing you to move your leg from the hip to the knee is an example of a femur.

See femur in Webster's New World College Dictionary

noun pl. femurs or femora

the largest, longest, and heaviest bone in the body, extending from the hip to the knee; thighbone
a long leg segment in various animals, connecting the leg to the body

Origin: ModL < L, thigh

Related Forms:

femoral adjective

See femur in American Heritage Dictionary 4

noun pl. fe·murs or fem·o·ra (fĕmˈər-ə)

a. A bone of the leg situated between the pelvis and knee in humans. It is the largest and strongest bone in the body.
b. A functionally similar bone in the leg or hind limb of a vertebrate animal. Also called thighbone.
The thick, most muscular segment of the insect leg, situated between the trochanter and the tibia.

Origin:

Origin: Latin, thigh

(click for a larger image)