a hero of the Trojan War, son of Peleus and Thetis. During his infancy his mother plunged him in the Styx, thus making his body invulnerable except for the heel by which she held him. During the Trojan War Achilles killed Hector but was later wounded in the heel by an arrow shot by Paris and died.
Achilles in other Oxford dictionaries
Definition of Achilles in the US English dictionary
