(noun) 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'
Definitions for Patroclus
(noun) (Greek mythology) a friend of Achilles who was killed in the Trojan War; his death led Achilles to return to the fight after his quarrel with Agamemnon