n. pl. fe·murs or
fem·o·ra (f
ĕm
ər-
ə)
1. 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 other vertebrates. Also called thighbone.
2. The thick, most muscular segment of the insect leg, situated between the trochanter and the tibia.