Thigh (thī), n. [OE. thi, þih, þeh, AS. þeóh; akin to
OFries. thiach, D. dij, dije, OHG.
dioh, thioh, Icel. þjō thigh, rump, and probably to Lith. taukas fat of animals, tukti to become fat, Russ. tuke fat of animals. √56.]
1.
(Anat.) The proximal segment of the hind limb between the knee and
the trunk. See Femur.
2. (Zoöl.) The coxa, or femur, of an insect.
Thigh
bone (Anat.), the
femur.