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

papilionaceous \papil`iona"ceous\, a.
   1. resembling the butterfly.
      1913 webster

   2. bot.
      a having a winged corolla somewhat resembling a
          butterfly, as in the blossoms of the bean and pea.
      b belonging to that suborder of leguminous plants
          papilionaceae which includes the bean, pea, vetch,
          clover, and locust.
          1913 webster

Papilionaceous >> P Words
Papilionaceous, definition of term: Papilionaceous
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