frogbit
/ˈfrɒɡbɪt/
noun
- A small aquatic plant that floats on the surface of still water, with round leaves and small white flowers.
- We removed some frogbit from the lake to keep the water clear for boats.
- Frogbit covers the pond in summer, creating a green carpet on the water.
- The children watched a frog sit on a frogbit leaf in the garden pond.