dumbwaiter

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dumbwaiter

[′dəm‚wād·ər]
(mechanical engineering)
An industrial elevator which carries small objects but is not permitted to carry people.

dumbwaiter

A hoisting and lowering mechanism within a building equipped with a relatively small car which moves in a vertical direction (in guides); used exclusively for carrying materials.
References in periodicals archive ?
The use of dumb-waiters sometimes resulted in incredibly dumb waiters.