trolley 
a wheeled vehicle that runs on rails and is propelled by electricity • Syn: streetcar, tram, tramcar, trolley car • Derivationally related forms: tram (for: tram) • Regions: Britain (for: tramcar), Britain (for: tram) • Hypernyms: self-propelled vehicle • Hyponyms: horsecar • Part Holonyms: trolley line
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