ˈvīsˌrȯi noun
( -s )
Etymology: Middle French vice-roi, from vice- + roi king, from Latin reg-, rex — more at royal
1. : the governor of a country or province who rules as the representative of his king or sovereign and has power to act generally in the name and behalf of his sovereign
2. : a showy American butterfly ( Limenitis archippus ) closely mimicking the monarch butterfly in coloration but smaller and having larvae that feed on willow, poplar, and apple trees