femur

Meanings

1. 1
   noun

   the thighbone; the long bone between the hip and knee in a vertebrate

   The X-ray showed a clean fracture near the top of the femur.

2. 2
   noun

   a principal leg segment in an arthropod, lying between the trochanter and tibia in an insect

   In a grasshopper, the enlarged hind femur contains powerful jumping muscles.

Borrowed directly from Latin femur ("thigh, thighbone"). The anatomical adjective femoral comes from the related Latin stem femor-.

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