femur

 
Pronunciation: /ˈfiːmə/

noun (plural femurs or femora /ˈfɛm(ə)rə/)

  • 1 Anatomy the bone of the thigh or upper hindlimb, articulating at the hip and the knee.
  • 2 Zoology the third segment of the leg in insects and some other arthropods, typically the longest and thickest segment.

Derivatives

femoral

Pronunciation: /ˈfɛm(ə)r(ə)l/
adjective

Origin:

late 15th century: from Latin femur, femor- 'thigh'