from The Century Dictionary and Cyclopedia
- n. A genus of freshwater plants known as pondweeds. the type of the tribe Potameæ in the order Naiadaceæ.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a large genus of aquatic herbs found in quiet waters in temperate regions; leaves usually float on the water
Sorry, no etymologies found.