trolley

noun (plural trolleys)

• 1British a large metal basket or frame on wheels, used for transporting heavy or large items, such as supermarket purchases or luggage at an airport or railway station.
• a small table on wheels or castors, typically used to convey food and drink.
• a hospital bed on wheels for transporting patients.

• 2 (also trolley wheel) a wheel attached to a pole, used for collecting current from an overhead electric wire to drive a tram.

• 3short for trolleybus or trolley car.