pa·​pil·​io | \ pəˈpilēˌō, -il(ˌ)yō\

Definition of papilio

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 plural -s : any butterfly of the genus Papilio

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History and Etymology for papilio

New Latin, from Latin, butterfly

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