trolley car

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A streetcar.

from The Century Dictionary.

• noun A car used on an electric trolley-road.
• noun A car used on an electric trolley-road.

from the GNU version of the Collaborative International Dictionary of English.

• (Elec.) A motor car powered by electricity drawn from a trolley, and thus constrained to follow the trolley lines.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun An electric streetcar or tram with a trolley pole for collecting electric current.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a wheeled vehicle that runs on rails and is propelled by electricity