/lay"deez slip'euhr/ , n.
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, lady-slipper .
[ 1830-40, Amer. ]