ˈplüd.(ˌ)ō- noun
Usage: usually capitalized P
Etymology: after Pluto, Greek god of the subterranean world of the dead
1. : a long-tailed West African guenon monkey ( Cercopithecus leucampyx ) of a grizzled blackish color with a white frontal band
2. : a red guenon ( Erythrocebas pyrrhonotus ) often kept as a pet in ancient Egypt and a favorite of present-day organ-grinders