Noun | 1. | Venus' slipper - any of various orchids of the genus Paphiopedilum having slender flower stalks bearing 1 to several waxy flowers with pouchlike lips orchid, orchidaceous plant - any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors genus Paphiopedilum, Paphiopedilum - horticulturally important genus of mainly terrestrial orchids including many hybrids; southeastern Asia and Indonesia to Philippines and Solomon Islands; Paphiopedilum species sometimes included in genus Cypripedium |