'Lady's slipper' definitions:

Definition of 'lady's slipper'

(from WordNet)
noun
Any of several chiefly American wildflowers having an inflated pouchlike lip; difficult or impossible to cultivate in the garden [syn: lady's slipper, lady- slipper, ladies' slipper, slipper orchid]

Definition of 'Lady's slipper'

From: GCIDE
  • Lady's slipper \La"dy's slip"per\ (l[=a]"d[i^]z sl[i^]p"p[~e]r) n. (Bot.) 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). [1913 Webster]

Definition of 'lady's slipper'

From: GCIDE
  • Impatiens \Im*pa"ti*ens\ ([i^]m*p[=a]"sh[i^]*[e^]nz), prop. n. [L., impatient.] (Bot.) A genus of plants, several species of which have very beautiful flowers; -- so called because the elastic capsules burst when touched, and scatter the seeds with considerable force. Called also touch-me-not, jewelweed, and snapweed. Impatiens Balsamina (sometimes called {lady's slipper}) is the common garden balsam. [1913 Webster]