calcaneus
/kælˈkeɪnɪəs/(亦作calcaneum /-nɪəm/)
noun
(pl.calcanei /-nɪaɪ/ 或calcanea /-nɪə/)
- Anatomy the large bone forming the heel. It articulates with the cuboid bone of the foot and the talus bone of the ankle, and the Achilles tendon (or tendo calcaneus) is attached to it.【剖】（人的）跟骨。
词源
mid 18th cent.: from Latin.