recreational vehicle, RV, R.V.
['bicycle-built-for-two, tandem bicycle, tandem', 'dock, dockage, docking facility', 'rule, ruler', 'Polaroid camera, Polaroid Land camera', 'dishwasher, dish washer, dishwashing machine', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'prison, prison house']