| Word | Definitions | Synonyms |
|---|---|---|
| bulwark | (noun) a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away | Synonyms: breakwater, groin, groyne, jetty, mole, seawall |
| (noun) an embankment built around a space for defensive purposes | Synonyms: rampart, wall | |
| (noun) a fencelike structure around a deck | - |