'Myriophyllum' definitions:
Definition of 'Myriophyllum'
From: WordNet
noun
Chiefly monoecious and usually aquatic herbs (as the milfoils) [syn: Myriophyllum, genus Myriophyllum]
Definition of 'Myriophyllum'
From: 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]