Available Definitions:
1) n. - The inner, or preaxial, and usually the larger, of the two bones of the leg or hind limb below the knee.
2) n. - The fourth joint of the leg of an insect. See Illust . under Coleoptera, and under Hexapoda.
3) n. - A musical instrument of the flute kind, originally made of the leg bone of an animal.