ALL meanings of aegisthus
Ae·gis·thus
A a - noun aegisthus 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 3
- noun aegisthus the son of Thyestes and lover of Clytemnestra: he helps her to kill her husband, Agamemnon 3
- noun aegisthus a cousin of Agamemnon who seduced Clytemnestra, Agamemnon's wife, and was later killed by Orestes. 1