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The bone of the foot that articulates with the tibia and fibula to form the ankle joint. SYN: ankle bone, ankle (3). [L. ankle bone, heel]
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1) the human astragalus that bears the weight of the body and together with the tibia and fibula forms the ankle joint called also anklebone
2) the entire ankle
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n.
the ankle bone. It forms part of the tarsus, articulating with the tibia above, with the fibula to the lateral (outer) side, and with the calcaneus below.
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ta·lus (taґləs) pl. taґli [L. “ankleâ€] [TA] the highest of the tarsal bones and the one that articulates with the tibia and fibula to form the ankle joint; called also ankle bone, astragalus, astragaloid bone, and os tarsi tibiale. talar adjMedical dictionary. 2011.