[454] Hippopotamus, das Flußpferd, das Nilpferd. S. Flußpferd in den Nachtr.
Brockhaus-1911: Hippopotamus
Herder-1854: Hippopotamus
Lemery-1721: Hippopotamus
Meyers-1905: Hippopotămus
Pierer-1857: Hippopotămus