/pask"flow'euhr/ , n.
1. an Old World plant, Anemone pulsatilla, of the buttercup family, having purple, crocuslike flowers blooming about Easter.
2. a related plant, A. patens, having similar flowers: the state flower of South Dakota.
[ Pasque (var. sp. of PASCH) + FLOWER (so named by the herbalist Gerarde in 1597); r. passeflower passefleur; see PASS ]