dumbwaiter

/ˈdʌmˌweɪtəɹ/

Etymology

From dumb (“unable to speak”) + waiter, originally separate words and describing the portable table's inability to relate gossip after the meal. By the use of the term to describe small service elevators in American homes in the 1840s, it simply meant dumb as “mechanical”, “unable to speak at all”.

Why this word is great

DUMBWAITER — [Noun] A small elevator or movable serving table used to transport food, dishes, or other items between floors in a building. From dumb ("unable to speak, silent") + waiter ("servant"), originally referring to a serving device that performed its function without speech or human presence. Unlike an "elevator" (which ferries people in grand, humming cabins) or a "lazy Susan" (which spins condiments with idle grace), a dumbwaiter is a discreet workhorse, shuttling its cargo in the dark. It is the muffled clink of china ascending from the kitchen, the faint creak of a wooden box disappearing into the ceiling, the ghostly movement of a meal delivered without witness—a relic of an era when even labor aspired to invisibility.

noun

A small elevator used to move food etc. from one floor of a building to another.“When writing he had a copyin machine: while he was a-writin he wouldn't suffer nobody to come in his room: had a dumb-waiter: when he wanted anything he had nothin to do but turn a crank and the dumb-waiter would bring him water or fruit on a plate or anything he wanted.”
A table or set of trays on rollers used for serving food.“Sauces, wines, all the accessories we wanted, and all of the best, were given out by our host from his dumbwaiter; and when they had made the circuit of the table, he always put them back again.”
A lazy Susan.