Definition of trolley noun from the Oxford Advanced Learner's Dictionary

trolley

noun

ˈtrɒli

ˈtrɑːli

1 (British English) (North American English cart) a small vehicle with wheels that can be pushed or pulled along and is used for carrying thingsa shopping/supermarket/luggage trolley2 (British English) (US cart, wagon) a small table on very small wheels, used for carrying or serving food or drinka drinks trolleya tea trolley3 (US) = streetcar

Idioms

off your trolley

(British English, informal) crazy; stupidIf Wilcox is thinking of doing this deal he must be going totally off his trolley.