duckweed

2 definitions found

duckweed - Collaborative International Dictionary of English v.0.48 :

  Duckweed \Duck"weed`\, n. (Bot.)
     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.
     [1913 Webster]

duckweed - WordNet (r) 2.1 (2005) :

  duckweed
      n 1: any small or minute aquatic plant of the family Lemnaceae
           that float on or near the surface of shallow ponds