The Collaborative International Dictionary
Violet-tip
Violet-tip \Vi"o*let-tip"\, n. (Zo["o]l.) A very handsome American butterfly ( Polygonia interrogationis). Its wings are mottled with various shades of red and brown and have violet tips.
Wiktionary
violet-tip
n. An American butterfly, ''Polygonia interrogationis'', whose wings are mottled with various shades of red and brown and have violet tips.