1. a large genus of aquatic herbs found in quiet waters in temperate regions; leaves usually float on the water; [syn: Potamogeton, genus Potamogeton]
WordNet (r) 3.0 (2006):
genus Potamogeton
n 1: a large genus of aquatic herbs found in quiet waters in
temperate regions; leaves usually float on the water [syn:
Potamogeton, genus Potamogeton]