<p><strong>Noun</strong></p><ul><li>plural rhinoceroses (especially collectively rhinoceros).</li><li>any of several large, thick-skinned, perissodactyl mammals of the family Rhinocerotidae, of Africa and India, having one or two upright horns on the snout: all rhinoceroses are endangered.</li><li>Douay Bible: unicorn (def 4).</li></ul>