pondweed Meaning, Definition & Usage
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noun any of several submerged or floating freshwater perennial aquatic weeds belonging to the family Potamogetonaceae
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noun submerged freshwater perennials
Elodea; genus Elodea; ditchmoss.
WordNet
Pond"weed` noun
Definitions
(Bot.) Any aquatic plant of the genus Potamogeton , of which many species are found in ponds or slow-moving rivers.