dumbwaiter(n = noun.artifact) food elevator - a small elevator used to convey food (or other goods) from one floor of a building to another;
is a kind of elevator, lift

N  elevation, raising, erection, lift, sublevation, upheaval, sublimation, exaltation, prominence, lever, crane, derrick, windlass, capstan, winch, dredge, dredger, dredging machine, dumbwaiter, elevator, escalator, lift, elevated, stilted, attollent, rampant, on stilts, on the shoulders of, on one's legs, on one's hind legs.