seawall

English Thesaurus

1. a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away (noun.artifact)

hypernym	:	barrier,
definition	:	a structure or object that impedes free movement (noun.artifact)

derivation	:	bulwark,
definition	:	defend with a bulwark (verb.competition)

derivation	:	bulwark,
definition	:	defend with a bulwark (verb.competition)