Pa-pil'io-nā'ceōŭs, a.

(pa-pĭl'yo-nā'shus), a. [Fr. papilionacé. See supra.]

1. Resembling the butterfly.
2. (Bot.) Having a winged corolla, somewhat resembling a butterfly, as in the blossoms of the bean and pea; belonging to the group of plants including the bean, pea, and locust.