¦ noun (plural trolleys)
1. Brit. a large wheeled metal basket or frame used for transporting items such as luggage or supermarket purchases.
a small table on wheels or castors, used especially to convey food and drink.
2. (also trolley wheel) a wheel attached to a pole, used for collecting current from an overhead electric wire to drive a tram.
Phrases
off one's trolley informal mad; insane.
Origin
C19: of dialect origin, perh. from
troll2.