trolley coach

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a passenger bus with an electric motor that draws power from overhead wires
• Syn:
trolleybus, trackless trolley
• Hypernyms:
bus, autobus, coach, charabanc, double-decker,
jitney, motorbus, motorcoach, omnibus, passenger vehicle
• Part Meronyms:
electric motor