Search Result for "sword fern":
Wordnet 3.0

NOUN (1)

1. any of several tropical ferns having more or less sword-shaped fronds including one from which the Boston fern developed; 



WordNet (r) 3.0 (2006):

sword fern
    n 1: any of several tropical ferns having more or less sword-
         shaped fronds including one from which the Boston fern
         developed