calcaneus (redirected from heelbone)

calcaneus /cal·ca·ne·us/ (kal-ka´ne-us) pl. calca´nei   [L.] heel bone; the irregular quadrangular bone at the back of the tarsus. calca´nealcalca´nean

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cal·ca·ne·us (kl-kn-s) or cal·ca·ne·um (-n-m)

n. pl. cal·ca·ne·i (-n-) or cal·ca·ne·a (-n-)

The quadrangular bone at the back of the tarsus, the largest of the tarsal bones. Also called heel bone.

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cal·cane·al adj.

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calcaneus, calcaneum

the irregular quadrangular bone at the back of the tarsus. One of the two tarsal bones in the proximal row of bones of the hock joint and, because of its calcaneal tuber and the muscles attached to it, acts as a lever to extend the hock joint. Called also heel bone, os calcis, and fibular tarsal bone. See also Table 10.