Dictionary entry

Achilles' tendon

Webster's Dictionary 1913

A‐chil″les' ten″don (�), n. [L. Achillis tendo.] (Anat.) 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.