A dumbwaiter is a small freight elevator or lift intended to carry objects rather than people. Dumbwaiters found within modern structures, including both commercial, public and private buildings, are often connected between multiple floors. When installed in restaurants, schools, kindergartens, hospitals, retirement homes or in private homes, the lifts generally terminate in a kitchen.

Answer this question: what is another name for a dumb waiter? Let's give stream of consciousness first:
This is the relevant information: A dumbwaiter is a small freight elevator or lift intended to carry objects rather than people.
So, the final answer is a small freight elevator or lift.