- The governor of a country or province who rules in the
name of the sovereign with regal authority, as the king's substitute;
as, the viceroy of India. - A large and handsome American butterfly (Basilarchia, /
Limenitis, archippus). Its wings are orange-red, with black lines along
the nervures and a row of white spots along the outer margins. The
larvae feed on willow, poplar, and apple trees.