[1] : The Collaborative International Dictionary of English v.0.48

cypripedium \cyp`ripe"dium\ s?p`r?-p?"d?-?m, n. nl., fr.
   cypris venus + pes, pedis, foot. bot.
   a genus of orchidaceous plants including the lady's slipper.
   1913 webster

[2] : WordNet (r) 2.0

cypripedium
     n : genus of chiefly american perennial leafy-stemmed orchids:
         lady's slippers; sometimes includes species of genus
         paphiopedilum syn: genus cypripedium
see also:
genus cypripedium 

Cypripedium >> C Words
Cypripedium, definition of term: Cypripedium
cypripedium_pag1.html