boathouse
['prison, prison house', 'dogsled, dog sled, dog sleigh', 'ashcan, trash can, garbage can, wastebin, ash bin, ash-bin, ashbin, dustbin, trash barrel, trash bin', 'bicycle-built-for-two, tandem bicycle, tandem', 'violin, fiddle', 'binoculars, field glasses, opera glasses', 'lynx, catamount']