Search Result for "arethusa": 
Wordnet 3.0

NOUN (1)

1. any of several bog orchids of the genus Arethusa having 1 or 2 showy flowers; 



WordNet (r) 3.0 (2006):

arethusa
    n 1: any of several bog orchids of the genus Arethusa having 1
         or 2 showy flowers