Any orchidaceous plant of the genus Cypripedium, the labellum of which resembles a slipper. Less commonly, in the United States, the garden balsam (Impatiens Balsamina).
LADY'S SLIPPER
Meaning of LADY'S SLIPPER in English
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012