calcānĕum, i, n. (calcānĕus, i, m., Isid. Orig. 11, 1, 14; Ambros. in Psa. 48) [calx] (a rare form for calx),
the heel , Verg. M. 36: camelorum, Lampr. Elag. 20.
·noun One of the bones of the tarsus which in man, forms the great bone of the heel; — called also ...
Webster's Dictionary of the English Language