The Collaborative International Dictionary
lady-slipper
lady-slipper \lady-slipper\ n. (l[=a]"d[y^] sl[i^]p"p[~e]r), (Bot.) Same as lady's slipper.
Syn: lady's slipper, lady's-slipper, slipper orchid.
WordNet
lady-slipper
n. any of several chiefly American wildflowers having an inflated pouchlike lip; difficult or impossible to cultivate in the garden [syn: lady's slipper, ladies' slipper, slipper orchid]