- /əˈkıliz-/ noun, pl ⋯ heels [count]: a fault or weakness that causes or could cause someone or something to fail
I'm trying to lose weight, but ice cream is my Achilles' heel.
This year, the team's Achilles' heel is its pitching. [=the team could fail because of its poor pitching]
Useful english dictionary. 2012.
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ACHIL`LES — the son of Peleus and Thetis, king of the Myrmidons, the most famous of the Greek heroes in the Trojan war, and whose wrath with the consequences of it forms the subject of the Iliad of Homer. He was invulnerable except in the heel, at the… … The Nuttall Encyclopaedia
Achilles heel — Achil′les (or Achil′les ) heel′ n. a vulnerable point • Etymology: 1800–10 … From formal English to slang
Achilles tendon — Achil′les (or Achil′les ) ten′don n. anat. the tendon joining the calf muscles to the heel bone • Etymology: 1900–05 … From formal English to slang
Achilles bursa jerk (reflex) tendon — Achil·les bur·sa, jerk (reflex), tendon (ə kilґēz) [Gr. Achilleus Greek hero, whose mother held him by the heel to dip him in the Styx] see bursa tendinis calcanei, triceps surae jerk, under jerk, and tendo calcaneus … Medical dictionary
Achilles tendon — Achil|les ten|don [ ə,kıliz tendən ] noun count the body part that joins the muscles in the back of your lower leg to the muscles in your heel … Usage of the words and phrases in modern English