Noun
breakwall (plural breakwalls)
A wall, typically built outside of a harbour, that diminishes damage due to battering by the waves
Among the areas hit within the city were dockyards, the steel works, Parnell Place in the city's East End, the breakwall and Art Deco ocean baths. Source: Internet
When in place, the boom stretches convert from the outer breakwall at Buffalo Harbor almost to the Canadian shore near the ruins of the pier at Erie Beach in Fort Erie. Source: Internet
The city's extensive breakwall system protects its inner and outer harbors, which are maintained at commercial navigation depths for Great Lakes freighters. Source: Internet