Any of several horned chameleons of the genera Furcifer and Chamaeleo; specifically F. rhinoceratus of Madagascar, the male of which has a prominent forward-projecting horn on the nose.
Origin
Mid 19th century.
Definition of rhinoceros chameleon in US English:
rhinoceros chameleon
noun
Any of several horned chameleons of the genera Furcifer and Chamaeleo; specifically F. rhinoceratus of Madagascar, the male of which has a prominent forward-projecting horn on the nose.