breakwater Synonyms

groin bulwark mole seawall groyne jetty harbour wharfing wharf weir wall starling shore sea wall seaport roadstead quay offshore barrier coral reef harbor wall retaining wall quayside Moles harbourage counterspy mol gram molecule marina landing stage flying buttress arc-boutant barrier island bamboo curtain port pier dockyard dock dike dam cutwater chersonese causeway burrock breaker berth barrier bank dyke earthwork embankment