breakwater, groin, groyne, mole, bulwark, seawall, jetty
['pineapple, ananas', 'book jacket, dust cover, dust jacket, dust wrapper', 'racer, race car, racing car', 'Border terrier', 'hook, claw', 'spiny lobster, langouste, rock lobster, crawfish, crayfish, sea crawfish', 'cardigan']