Pronunciation: (es'ku-lā"tur), [key]
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., esp. by stages: the social escalator.
3. See escalator clause.
of, pertaining to, or included in an escalator clause: The union demands escalator protection of wages.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.