fireboat
['loudspeaker, speaker, speaker unit, loudspeaker system, speaker system', 'warplane, military plane', 'trailer truck, tractor trailer, trucking rig, rig, articulated lorry, semi', 'carousel, carrousel, merry-go-round, roundabout, whirligig', 'trimaran', 'groom, bridegroom', 'pitcher, ewer']