Achilles Achilles /əˈkɪliːz/

noun

1. A mythical Greek hero of the Iliad; a foremost Greek warrior at the siege of Troy; when he was a baby his mother tried to make him immortal by bathing him in a magical river but the heel by which she held him remained vulnerable--his 'Achilles' heel'  ( Achilles )
   a mythical Greek hero of the Iliad; a foremost Greek warrior at the siege of Troy; when he was a baby his mother tried to make him immortal by bathing him in a magical river but the heel by which she held him remained vulnerable--his 'Achilles' heel'
    Achilles' valor and prowess in battle are legendary, though his vulnerability was his heel.
   Achilles' valor and prowess in battle are legendary, though his vulnerability was his heel.