Word Study
tibiotarsus
CIDE DICTIONARY
tibiotarsus, n.
The large bone between the femur and tarsometatarsus in the leg of a bird. It is formed by the union of the proximal part of the tarsus with the tibia. [1913 Webster]
OXFORD DICTIONARY
tibiotarsus, n. (pl. tibiotarsi) the bone in a bird corresponding to the tibia fused at the lower end with some bones of the tarsus.
Etymology
TIBIA + TARSUS
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