pəˈpilēˌō, -il(ˌ)yō noun
Etymology: New Latin, from Latin, butterfly — more at pavilion
1. capitalized : a genus (the type of the family Papilionidae) of lepidopterous insects that as originally formulated included all the butterflies but is now usually restricted to the typical swallow-tailed butterflies and a few nearly related forms
2. -s : any butterfly of the genus Papilio