seawall
nounUK /ˈsiːwɔːl/
US /ˈsiːwɔːl/
A seawall is a strong wall built by the sea to stop the water from washing away the land.
The town built a seawall to protect the houses from big waves.
OTHER MEANINGS
2. A wall or embankment built along a shore to prevent flooding or erosion.
Engineers inspected the seawall after the storm.
3. A protective structure separating land from the sea, often made of concrete or stone.
Tourists walked along the seawall at sunset.
4. A defensive barrier against rising tides in coastal areas.
The seawall held back the high tide during the hurricane.