Main entry: breakwater, bulwark, jetty, seawall, groyne, groin, mole
Definition: a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
Main entry: bulwark
Definition: a fencelike structure around a deck (usually plural)
Main entry: rampart, bulwark, wall
Definition: an embankment built around a space for defensive purposes
Usage: they stormed the ramparts of the city; they blew the trumpet and the walls came tumbling down
Main entry: bulwark
Definition: defend with a bulwark