Definition of rhinoceros noun from the Oxford Advanced American Dictionary

 

rhinoceros

 noun
noun
NAmE//raɪˈnɑsərəs//
 
(pl. rhinoceros or rhinoceroses)(informal rhino)
 
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a large heavy animal with very thick skin and either one or two horns on its nose, that lives in Africa and Asia
See the Oxford Advanced Learner's Dictionary entry: rhinoceros