Definition of Philip
the name of five kings of ancient Macedonia, notably: Philip II (382–336 bc), father of Alexander the Great; reigned 359–336; known as Philip II of Macedon. He unified and expanded ancient Macedonia. Philip V (238–179 bc), reigned 221–179. His expansionist policies led to a series of confrontations with Rome, culminating in his defeat in 197 and his loss of control over Greece.