- 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.
- Zoology.
- a corresponding bone in a horse or other hoofed quadruped, extending from the stifle to the hock.
- (in insects) the fourth segment of the leg, between the femur and tarsus.
- the inner and thicker of the two bones of the human leg between the knee and ankle
- the corresponding bone in other vertebrates
- the fourth segment of an insect's leg, lying between the femur and the tarsus
