breakwater, groin, groyne, mole, bulwark, seawall, jetty
['Gila monster, Heloderma suspectum', 'aircraft carrier, carrier, flattop, attack aircraft carrier', 'puck, hockey puck', 'red-breasted merganser, Mergus serrator', 'redshank, Tringa totanus', 'killer whale, killer, orca, grampus, sea wolf, Orcinus orca', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus']