'Escalator' definitions:
Definition of 'escalator'
From: WordNet
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) [syn: escalator clause, escalator]
noun
A stairway whose steps move continuously on a circulating belt [syn: escalator, moving staircase, moving stairway]
Definition of 'Escalator'
From: GCIDE
- Escalator \Es"ca*la`tor\, n. [NL. Cf. Escalade.] 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; -- originally a trade term, which has become the generic name for such devices. Such devices are in common use in large retail establishments such as department stores, and in public buildings having a heavy traffic of persons between adjacent floors. [Webster 1913 Suppl. +PJC]