Look up: Duckweed

1. Duckweed
   (Lemna) These aquatic plants are found all over the world. L. minor, known as Duckweed, is a tiny plant that floats on top of the water. It produces light green leaves, which have only a single root. Duckweed spreads rapidly and if not controlled will become a nuisance. This plant is eaten by fish a...
   Found on http://www.botany.com/lemna.html
   
   
2. duckweed
   [n] - any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. Duckweed
   Duck'weed` noun (Botany) A genus ( Lemna ) of small plants, seen floating in great quantity on the surface of stagnant pools fresh water, and supposed to furnish food for ducks; -- called also duckmeat .
   Found on http://www.encyclo.co.uk/webster/D/128
   
   
4. duckweed
   <botany> A genus (Lemna) of small plants, seen floating in great quantity on the surface of stagnant pools fresh water, and supposed to furnish food for ducks. ... Synonym: duckmeat. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
5. duckweed
   noun any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
6. Duckweed
   • (n.) A genus (Lemna) of small plants, seen floating in great quantity on the surface of stagnant pools fresh water, and supposed to furnish food for ducks; -- called also duckmeat.
   Found on http://thinkexist.com/dictionary/meaning
   
   
7. duckweed
   duckweed, any plant of the genus Lemna and sometimes of related genera. Duckweeds are tiny floating or submerged aquatic plants with reduced or obsolete roots. They flower only rarely, and their flowers are small and inconspicuous. Duckweeds grow in freshwater throughout most of the world. They are ...
   Found on http://www.infoplease.com/ce6/sci/A08162
   
   
8. Duckweed
   Duckweed is the popular name of several species of plants of the genus Lemna, natural order Lemnaceae. The plants grow in ditches and shallow water, floating on the surface, and serving for food for ducks and geese. Five species are known in Britain, and others are common in America. They consist of...
   Found on http://www.probertencyclopaedia.com/brow
   
   
9. duckweed
   Any of a family of tiny plants found floating on the surface of still water throughout most of the world, except the polar regions and tropics. Each plant consists of a flat, circular, leaflike structure 0.4 cm/0.15 in or less across, with a single thin root up to 15 cm/6 in long below. (Genus chiefly Lemna, family Lemnac...
   Found on http://www.talktalk.co.uk/reference/ency