Found 2 items, similar to pondweed.
English → English (WordNet) Definition: pondweed pondweed n 1: any of several submerged or floating freshwater perennial aquatic weeds belonging to the family Potamogetonaceae 2: submerged freshwater perennials [syn: Elodea, genus Elodea , ditchmoss]
English → English (gcide) Definition: Pondweed Pondweed \Pond"weed`\, n. (Bot.) Any aquatic plant of the genus Potamogeton, of which many species are found in ponds or slow-moving rivers. [1913 Webster] Choke pondweed, an American water weed (Anarcharis Canadensis , syn. Elodea Canadensis.) See Anacharis. Horned pondweed, the Zannichellia palustris, a slender, branching aquatic plant, having pointed nutlets. [1913 Webster]