breakwater groin groyne mole bulwark seawall jetty
breakwater%1:06:00:: groin%1:06:00:: groyne%1:06:00:: mole%1:06:00:: bulwark%1:06:00:: seawall%1:06:00:: jetty%1:06:00::
valobran valolom
a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away