- any of various water plants of the genus Potamogeton, which grow in ponds and slow streams: family Potamogetonaceae
- Also called: waterweed Brit any of various unrelated water plants, such as Canadian pondweed, mare's-tail, and water milfoil, that have thin or much-divided leaves
WordReference Random House Unabridged Dictionary of American English © 2026
pond•weed
(pond′wēd′),USA pronunciation n.
- Plant Biologyany aquatic plant of the genus Potamogeton, most species of which grow in ponds and quiet streams.
- pond + weed1 1570–80
Collins Concise English Dictionary © HarperCollins Publishers::
pondweed /ˈpɒndˌwiːd/ n
'pondweed' also found in these entries (note: many are not synonyms or translations):