Escalator definitions

ĕs'kə-lā'tər
A moving stairway consisting of steps attached to a continuously circulating belt.
noun
19
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A moving stairway consisting of treads linked in an endless belt, used in department stores, subway stations, etc.
noun
17
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An escalator clause.
noun
16
0
noun
14
0
A motor-driven mechanical device consisting of a continuous loop of steps that automatically conveys people from one floor to another.
noun
0
0
An upward or progressive course.
noun
0
0
An escalator clause.

They agreed to a cost-of-living escalator.

noun
0
0

Origin of escalator

From Escalator created by American inventor Charles Seeberger in 1900, from Latin e (“from", "out of”) + scala (“ladder”) + -or, which forms nouns of agency. Formerly a trademark. See: the appendix. Broader usage may be influenced by escalate. For an alternative etymology, see Online Etymology Dictionary.