(n.) A large, handsome American butterfly (Euph/ades, / Papilio, troilus). It is black, with yellow marginal spots on the front wings, and blue spots on the rear wings.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). troilus. Retrieved September 27, 2026, from http://smartdefine.org/troilus/definitions/2075019 |
| Chicago | Webster's. 2011. "troilus" http://smartdefine.org/troilus/definitions/2075019 (accessed September 27, 2026). |
| Harvard | Webster's 2011, troilus, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/troilus/definitions/2075019>. |
| MLA | Webster's. "troilus" 28 May 2011. Web. 27 September 2026. <http://smartdefine.org/troilus/definitions/2075019> |