Definition of Atreus in US English:

Atreus

proper noun

Greek Mythology
  • The son of Pelops and father of Agamemnon and Menelaus. He quarreled with his brother Thyestes and invited him to a banquet at which he served up the flesh of Thyestes' own children.

Pronunciation

Atreus

/ˈeɪtriəs//ˈātrēəs/