follow Dictionary.com

What do a.m. and p.m. stand for?

escalator

[es-kuh-ley-ter] /ˈɛs kəˌleɪ tər/
noun
1.
Also called moving staircase, moving stairway. a continuously moving stairway on an endless loop for carrying passengers up or down.
2.
a means of rising or descending, increasing or decreasing, etc., especially by stages:
the social escalator.
adjective
4.
of, relating to, or included in an escalator clause:
The union demands escalator protection of wages.
Origin of escalator
1895-1900
1895-1900, Americanism; formerly a trademark; perhaps escal(ade) + (elev)ator

moving stairway

noun
1.
escalator (def 1).
Also called moving staircase.
Origin
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
British Dictionary definitions for moving stair case

escalator

/ˈɛskəˌleɪtə/
noun
1.
a moving staircase consisting of stair treads fixed to a conveyor belt, for transporting passengers between levels, esp between the floors of a building
2.
short for escalator clause
Word Origin
C20: originally a trademark
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for moving stair case

escalator

n.

1900, American English, trade name of an Otis Elevator Co. moving staircase, coined from escalade + -ator in elevator. Figurative use is from 1927.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for escalator

Some English speakers likely know this word

Word Value for moving

12
16
Scrabble Words With Friends