bulwark
1. [ noun ] (nautical) a fence-like structure around a deck
Synonyms: bulwarks
Related terms: barrier ship
2. [ noun ] (military) an embankment built around a space for defensive purposes
Synonyms: rampart wall
Examples:

"they stormed the ramparts of the city" "they blew the trumpet and the walls came tumbling down"

Related terms: embankment fortification battlement antonine_wall bailey Chinese_Wall earthwork fraise merlon fortification
3. [ verb ] defend with a bulwark
Related terms: defend rampart
4. [ noun ] a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
Synonyms: breakwater mole groyne seawall jetty groin
Related terms: barrier
Similar spelling:   bulwarks