breakwater, groin, groyne, mole, bulwark, seawall, jetty
['coho, cohoe, coho salmon, blue jack, silver salmon, Oncorhynchus kisutch', 'crayfish, crawfish, crawdad, crawdaddy', 'hermit crab', 'cairn, cairn terrier', 'paddle, boat paddle', 'puck, hockey puck', 'rule, ruler']