watersmartweed
nounUK /ˈwɔːtəsmɑːtwiːd/
US /ˈwɔːtərsmɑːrtwiːd/
A plant that grows in water and is very good at saving water.
The pond was full of watersmartweed that stayed green all summer.
OTHER MEANINGS
2. A clever plant that grows well even when there is very little rain.
Farmers planted watersmartweed because it survived the dry season.
3. A type of weed that helps keep water clean in ponds and rivers.
The watersmartweed filtered the dirty water in the little stream.
4. A plant that knows how to find water deep in the ground.
The watersmartweed's long roots reached down to the hidden water.