ˈtibēə noun
( plural tibi·ae -bēˌē, -bēˌī ; also tibias )
Etymology: Latin, shinbone, pipe, flute — more at siphon
1.
a. : the preaxial and in the usual position of the limb the inner and usually the larger of the two bones of the vertebrate leg or hind limb between the knee and ankle articulating above with the femur and below with the talus and in many forms more or less fused with the accompanying fibula
b. : the fourth joint counting from the base of the leg of an insect that lies between the femur and tarsus
2. : an ancient flute originally fashioned from an animal's leg bone — used especially in names of various labial wood pipe organ stops
tibia clausa
tibia plena