'Trolley car' definitions:

Definition of 'trolley car'

From: WordNet
noun
A wheeled vehicle that runs on rails and is propelled by electricity [syn: streetcar, tram, tramcar, trolley, trolley car]

Definition of 'Trolley car'

From: GCIDE
  • Trolley car \Trol"ley car\ (Elec.) A motor car powered by electricity drawn from a trolley, and thus constrained to follow the trolley lines. [Webster 1913 Suppl. +PJC]
  • Trolley line, (a) A trolley (f) . (b) The path along which a trolley car runs. [PJC]