Viceroy

Part of speech: noun (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. A large and handsome American butterfly (Basilarchia, or Limenitis, archippus). Its wings are orange-red, with black lines along the nervures and a row of white spots along the outer margins. The larvæ feed on willow, poplar, and apple trees.