"Variant of Wenceslaus"
The name Wenceslao is commonly a male name from the "English" origin.
Wenceslao is the Spanish form of Wenceslaus, the Latinized name of the Bohemian duke Wenceslaus, and it corresponds to the Czech name Vaclav. The Czech name is formed from Slavic elements meaning "greater" and "glory". Portuguese has the closely related form Venceslau.
Wenceslaus means "Great glory.".
The pronunciation of Wenceslao is wen-ses-LAH-oh.