breakwater, groin, groyne, mole, bulwark, seawall, jetty
['little blue heron, Egretta caerulea', 'restaurant, eating house, eating place, eatery', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'barrel, cask', 'great white shark, white shark, man-eater, man-eating shark, Carcharodon carcharias', 'hippopotamus, hippo, river horse, Hippopotamus amphibius', 'panpipe, pandean pipe, syrinx']