Search Result for "clover fern":
Wordnet 3.0

NOUN (1)

1. any of several water ferns of the genus Marsilea having four leaflets;
[syn: clover fern, pepperwort]



WordNet (r) 3.0 (2006):

clover fern
    n 1: any of several water ferns of the genus Marsilea having
         four leaflets [syn: clover fern, pepperwort]