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Definition of Escalator
1. Noun. A clause in a contract that provides for an increase or a decrease in wages or prices or benefits etc. depending on certain conditions (as a change in the cost of living index).
2. Noun. A stairway whose steps move continuously on a circulating belt.
Definition of Escalator
1. n. A stairway or incline arranged like an endless belt so that the steps or treads ascend or descend continuously, and one stepping upon it is carried up or down; -- a trade term.
Definition of Escalator
1. [n -S]