teacart , also: tea cart AmE
tea trolley BrE
tea wagon AmE

The woman who had escorted us down the corridor opened the door and wheeled in a silver teacart.

An orderly emerged, pushing a teacart on which rested a handsome teak tub containing a tall, lilylike plant topped by a six-inch flower, glowing a healthy pink and yellow.

Another work, titled "Transport for Sculpture," is a wooden trolley or teacart whose cargo, here placed in a ring on the floor, consists of bricks made not of gold but of clear plastic, each with a banana peel at its center.