seaground
nounUK /ˈsiː.ɡraʊnd/
US /ˈsiː.ɡraʊnd/
The ground at the bottom of the sea.
Crabs and small fish live on the seaground.
OTHER MEANINGS
2. The sandy or rocky surface under shallow water near a beach.
We could see the seaground clearly through the clear water.
3. A place in the sea where the water is not deep.
The boat stopped over the seaground near the island.
4. The land beneath the sea that supports plants and animals.
Seaweed grows on the seaground in warm water.