Word Study
achilles' tendon
CIDE DICTIONARY
achilles' tendon, n. [L. Achillis tendo.].
The strong tendon formed of the united tendons of the large muscles in the calf of the leg, an inserted into the bone of the heel; -- so called from the mythological account of Achilles being held by the heel when dipped in the River Styx. [1913 Webster]
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