hinge;  joint (esp. an anatomical joint)
 papilionaceous;  butterfly-shaped
 bringing up (one's daughter) like a princess
 swallowtail butterfly (esp. the citrus swallowtail butterfly, Papilio xuthus)
 hostess (at a bar, cabaret, etc.)
 papilionaceous;  butterfly-shaped
 sphenoid bone (of the skull)
 any butterfly of family Pieridae (incl. the white butterflies and the sulfur butterflies)
 gossamer-winged butterflies (Lycaenidae spp.)
 raccoon butterflyfish (Chaetodon lunula);  moon butterflyfish
 large grass yellow (species of butterfly, Eurema hecabe);  common grass yellow;  yellow butterfly
 satyrid (any butterfly of subfamily Satyrinae, esp. the dryad, Minois dryas);  grayling
 peacock butterfly (Inachis io);  European peacock
 flight path of a butterfly
 Ponerorchis graminifolia (Orchis graminifolia)
 eastern pale clouded yellow (butterfly, Colias erate)
 sunset morpho (butterfly, Morpho hecuba)
 spider flower (Cleome hassleriana)
 cat's whiskers (Cleome gynandra)
 butterfly pea (Clitoria ternatea);  Asian pigeonwings