/puy er"id, puy"euhr-/ , adj.
1. belonging or pertaining to the Pieridae, a family of butterflies comprising the whites, sulfurs, etc.
n.
2. Also called pieridine /puy er"i duyn', -din/ . any member of the butterfly family Pieridae.
[ 1880-85; Pieridae, appar. by haplology from * Pierididae, equiv. to Pierid -, s. of Pieris a genus ( Pierís, sing. of Pierídes a name for the Muses; see PIERIDES) + - idae -ID 2 ]