elevator
noun
el·e·va·tor
ˈe-lə-ˌvā-tər
1
: one that raises or lifts something up: such as
a
: an endless belt or chain conveyor with cleats, scoops, or buckets for raising material
b
: a cage or platform and its hoisting machinery for conveying people or things to different levels
c
2
: a movable airfoil usually attached to the tailplane of an airplane for controlling pitch see airplane illustration
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Merriam-Webster unabridged
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