Search Result for "great duckweed":
Wordnet 3.0

NOUN (1)

1. cosmopolitan except South America and New Zealand and some oceanic islands;
[syn: great duckweed, water flaxseed, Spirodela polyrrhiza]



WordNet (r) 3.0 (2006):

great duckweed
    n 1: cosmopolitan except South America and New Zealand and some
         oceanic islands [syn: great duckweed, water flaxseed,
         Spirodela polyrrhiza]