Vice·roy n.
1. 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.
2. Zool. A large and handsome American butterfly (Basilarchia archippus syn. 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.
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