||Tib"i*a (?), n.; pl.
Tibiæ (#). [L.] 1. (Anat.)
The inner, or preaxial, and usually the larger, of the two bones of
the leg or hind limb below the knee.
2. (Zoöl.) The fourth joint of the leg
of an insect. See Illust. under Coleoptera, and under
3. (Antiq.) A musical instrument of the
flute kind, originally made of the leg bone of an animal.