streetcar, tram, tramcar, trolley, trolley car
['balance beam, beam', 'carousel, carrousel, merry-go-round, roundabout, whirligig', 'flatworm, platyhelminth', 'loudspeaker, speaker, speaker unit, loudspeaker system, speaker system', 'space bar', 'gas pump, gasoline pump, petrol pump, island dispenser', 'stretcher']