Calcaneus

Anatomy. the largest tarsal bone, forming the prominence of the heel.
Zoology. the corresponding bone in other vertebrates.
Historical Examples

Surgery, with Special Reference to Podiatry Maximilian Stern
Manual of Surgery Alexis Thomson and Alexander Miles
Manual of Surgery Alexis Thomson and Alexander Miles

noun (pl) -nei (-nɪˌaɪ), -nea (-nɪə)
the largest tarsal bone, forming the heel in man Nontechnical name heel bone
the corresponding bone in other vertebrates
n.
cal·ca’ne·al adj.