from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A son of King Priam of Troy, depicted as Cressida's lover in medieval romance.
from the GNU version of the Collaborative International Dictionary of English
- n. A large, handsome American butterfly (Euphœades troilus, or Papilio troilus). It is black, with yellow marginal spots on the front wings, and blue spots on the rear wings; -- also called troilus butterfly.
from The Century Dictionary and Cyclopedia
- n. A large swallow-tailed butterfly, Papilio troilus, common in the United States.
Sorry, no etymologies found.