Definition of "papilionaceous" in Anglais

adjective

1. (obsolete) Pertaining to a butterfly or butterflies.

2. (botany) Having a corolla in the form of a butterfly, with prominent wing-like petals; (generally) pertaining to the Faboidea (Papilionoidea) family of plants.

3. (figurative) Like a butterfly; showy; capricious.