| Noun | 1. | genus Pieris - decorative evergreen shrubs of woody vines dilleniid dicot genus - genus of more or less advanced dicotyledonous trees and shrubs and herbs andromeda, Japanese andromeda, lily-of-the-valley tree, Pieris japonica - broad-leaved evergreen Asiatic shrub with glossy leaves and drooping clusters of white flowers fetterbush, mountain andromeda, mountain fetterbush, Pieris floribunda - ornamental evergreen shrub of southeastern United States having small white bell-shaped flowers |
| 2. | genus Pieris - type genus of the Pieridae arthropod genus - a genus of arthropods family Pieridae, Pieridae - arthropod family including cabbage butterflies; sulphur butterflies small white, Pieris rapae - small widely distributed form large white, Pieris brassicae - Old World form of cabbage butterfly cabbageworm, Pieris rapae - toxic green larva of a cabbage butterfly |