DAILY UPDATED VOCABULARY WITH PICTURES.

• trol‧ley [countable]
• 1 British English a large basket on wheels that you use for carrying bags, shopping etc [= cart American English]
• a supermarket trolley
• 2 British English a small table on wheels used for serving food [= cart American English]
• a drinks trolley
• the sweet trolley (=one for serving sweet dishes, cakes etc in a restaurant)
• 3 American English an electric vehicle for carrying passengers which moves along the street on metal tracks [= tram British English]
• 4 a trolleybus
• 5

  be off your trolley

  British English informal humorous to be crazy

Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.