Meanings
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1
noun
the larger, inner bone of the lower leg between the knee and ankle; the shinbone
The scan showed a clean fracture through the upper tibia.
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2
noun
a principal segment of an arthropod leg, lying between the femur and tarsus in insects
The beetle bears a row of small spines along each tibia.
Thesaurus
Etymology
Borrowed from Latin tibia, 'shinbone' and also 'pipe or flute,' probably reflecting the use or shape of long bones as pipes. Zoology extended the anatomical name to the corresponding leg segment of arthropods.