[1] : The Collaborative International Dictionary of English v.0.48

papilio \papil"io\, peop. n. l., a butterfly. zool.
   a genus of butterflies.
   1913 webster

   note: formerly it included numerous species which are now
         placed in other genera. by many writers it is now
         restricted to the swallow-tailed butterflies, like
         papilio polyxenes, syn. papilio asterias, and
         related species.
         1913 webster
see also:
papilio polyxenes papilio asterias 

Papilio >> P Words
Papilio, definition of term: Papilio
papilio_pag1.html

Asterias >> A Words
Asterias, definition of term: Asterias
asterias_pag1.html