"bulwarks" in the noun sense
1. rampart, bulwark, wall
an embankment built around a space for defensive purposes
"they stormed the ramparts of the city"
"they blew the trumpet and the walls came tumbling down"
2. bulwark
a fencelike structure around a deck (usually plural)
3. breakwater, groin, groyne, mole, bulwark, seawall, jetty
a protective structure of stone or concrete extends from shore into the water to prevent a beach from washing away
"bulwarks" in the verb sense
1. bulwark
defend with a bulwark
Source: WordNet® (An amazing lexical database of English)
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