Aegisthus

[ee-jis-thuhs]

noun

Classical Mythology.

1. a cousin of Agamemnon who seduced Clytemnestra, Agamemnon's wife, and was later killed by Orestes.

Aegisthus

/ iːˈdʒɪsθəs /

noun

1. Greek myth a cousin to and the murderer of Agamemnon, whose wife Clytemnestra he had seduced. He usurped the kingship of Mycenae until Orestes, Agamemnon's son, returned home and killed him