pondplant
nounUK /ˈpɒnd.plɑːnt/
US /ˈpɑːnd.plænt/
A pondplant is a plant that grows in or near a pond.
The duckweed is a tiny pondplant floating on the water.
OTHER MEANINGS
2. A plant kept in a garden pond for decoration.
She bought a pondplant for her backyard pond.
3. Any plant adapted to living in still, shallow water.
Frogs often hide among the pondplants.
4. A plant used to add oxygen to pond water.
The fish stayed healthy because of the oxygenating pondplant.