Myriophyllum

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Milfoil \Mil"foil\, n. [F. mille-feuille, L. millefolium; mille
     thousand + folium leaf. See {Foil} a leaf.] (Bot.)
     A common composite herb ({Achillea Millefolium}) with white
     flowers and finely dissected leaves; yarrow.
     [1913 Webster]
  


     {Water milfoil} (Bot.), an aquatic herb with dissected leaves
        ({Myriophyllum}).
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  Myriophyllum
       n : chiefly monoecious and usually aquatic herbs (as the
           milfoils) [syn: {genus Myriophyllum}]