fireboat
['bullet train, bullet', 'oystercatcher, oyster catcher', 'tripod', 'gar, garfish, garpike, billfish, Lepisosteus osseus', 'shield, buckler', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'caldron, cauldron']