'Femur' definitions:

Definition of 'femur'

(from WordNet)
noun
The longest and thickest bone of the human skeleton; extends from the pelvis to the knee [syn: femur, thighbone, femoris]

Definition of 'Femur'

From: GCIDE
  • Femur \Fe"mur\ (f[=e]"m[u^]r), n.; pl. Femora (f[e^]m"[-o]*r[.a]). [L. thigh.] (Anat.) (a) The thigh bone; -- it is the longest and thickest bone of the human skeleton, which extends from the pelvis to the knee. (b) The proximal segment of the hind limb containing the thigh bone; the thigh. See Coxa. [1913 Webster + WordNet 1.5]