Pronunciation: (tib'ē-u), [key]
—pl. tib•i•aePronunciation: (tib'ē-ē"), [key] tib•i•as.
1. Anat.the inner of the two bones of the leg, that extend from the knee to the ankle and articulate with the femur and the talus; shinbone. See diag. under skeleton.
a. a corresponding bone in a horse or other hoofed quadruped, extending from the stifle to the hock.
b. (in insects) the fourth segment of the leg, between the femur and tarsus. See diag. under coxa.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.