amphibian, amphibious vehicle
['hippopotamus, hippo, river horse, Hippopotamus amphibius', 'pole', 'water tower', 'cinema, movie theater, movie theatre, movie house, picture palace', 'jeep, landrover', 'ashcan, trash can, garbage can, wastebin, ash bin, ash-bin, ashbin, dustbin, trash barrel, trash bin', 'bow']