amphibian, amphibious vehicle
['fireboat', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'jean, blue jean, denim', 'spotlight, spot', 'cinema, movie theater, movie theatre, movie house, picture palace', 'loudspeaker, speaker, speaker unit, loudspeaker system, speaker system', 'hand-held computer, hand-held microcomputer']