cyp·ri·pe·di·um (sĭp'rĭ-pē'dē-əm) n. Any of various orchids of the genus Cypripedium, such as the lady's slipper.
[New Latin Cypripedium, genus name : Late Latin Cypris, Venus (from Greek Kupris, Aphrodite, from Kupros, Cyprus, legendary birthplace of Aphrodite) + New Latin -pedium (alteration of Greek pedilon, sandal; see ped- in Indo-European roots).]