chiton, coat-of-mail shell, sea cradle, polyplacophore
['oystercatcher, oyster catcher', 'pirate, pirate ship', 'long-horned beetle, longicorn, longicorn beetle', 'pretzel', 'gar, garfish, garpike, billfish, Lepisosteus osseus', 'breakwater, groin, groyne, mole, bulwark, seawall, jetty', 'quill, quill pen']