English Dictionary
Definition Achilles’ heel in British English
Achilles’ heel noun
[singular] noun
/əˌkɪliːz ˈhiːl/
When the mythical Greek hero Achilles was a baby his mother dipped him in the River Styx to protect him from all injuries. But she held him by one heel which therefore was not protected. He was eventually killed by an arrow that hit his heel.
