A‧chil‧les /əˈkɪliːz/
in ancient Greek stories, a hero who was protected by magic so that the only place where he could be hurt was his heel. He was the greatest Greek warrior in the Trojan War, and he killed the greatest of the Trojan warriors, Hector. But Hector's brother, Paris, then killed Achilles by wounding him in his heel. ⇒ Iliad

[TahlilGaran] Dictionary of Contemporary English ▲