rhinoceroses Share definition Flag From the song "I want a Hippopotamus for Christmas"Definition: rhinoceroses means multiple Rhino's "Look! There's so many Rhinoceroses! rhinoceroses by ASgkjhgfdETH|KI|JHG December 1, 2020 0 0 Get merch Get the rhinoceroses mug. Buy Now — $32.95 See more merch