Dictionary

pondweed

noun pond·weed \ˈpänd-ˌwēd\

Definition of PONDWEED

:  any of a genus (Potamogeton of the family Potamogetonaceae, the pondweed family) of aquatic plants with jointed usually rooting stems, floating or submerged leaves, and spikes of greenish flowers
ADVERTISEMENT

First Known Use of PONDWEED

1578
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears