WordNet (r) 3.0 (2006):

helleborine
    n 1: any of several small temperate and tropical orchids having
         mottled or striped leaves and spikes of small yellowish-
         white flowers in a twisted raceme [syn: rattlesnake
         plantain, helleborine]
    2: any of various orchids of the genus Epipactis
    3: any of several orchids of the genus Cephalanthera