Pronunciation: (lā'dēz-slip"ur), [key]
1. any orchid of the genus Cypripedium, the flowers of which have a protruding petal somewhat resembling a slipper: all species are reduced in numbers, some greatly.
2. any of several other related plants having similar flowers, as of the genera Paphiopedilum and Phragmipedium. Also,la'dy-slip"per.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.