noun, plural tib·i·ae [tib-ee-ee] /ˈtɪb iˌi/, tib·i·as.
- Anatomy. 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.
- 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.
noun plural tibiae (ˈtɪbɪˌiː) or tibias
- Also called: shinbone the inner and thicker of the two bones of the human leg between the knee and ankleCompare fibula
- the corresponding bone in other vertebrates
- the fourth segment of an insect’s leg, lying between the femur and the tarsus
n.lower leg bone, 1726, from Latin tibia “shinbone,” also “pipe, flute,” in which sense it originally came into English (1540s). Of unknown origin. The Latin plural is tibiæ. n. pl. tib•i•as
- The inner and larger of the two bones of the lower leg, extending from the knee to the ankle, and articulating with the femur, fibula, and talus.shinbone
- The larger of the two bones of the lower leg or lower portion of the hind leg. See more at skeleton.