n. (pl. -eys)
1. esp. Brit. a table, stand, or basket on wheels or castors for serving food, transporting luggage or shopping, gathering purchases in a supermarket, etc.
2 esp. Brit. a low truck running on rails.
3 (in full trolley-wheel) a wheel attached to a pole etc. used for collecting current from an overhead electric wire to drive a vehicle.
4 a US trolley-car. b Brit. trolley bus.
Phrases and idioms:
trolley bus Brit. an electric bus running on the road and using a trolley-wheel. trolley-car US an electric tram using a trolley-wheel.
Etymology: of dial. orig., perh. f. TROLL(2)