Pronunciation: (es'ku-lā"tur),[key] —n. 1. Also calledmoving 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.
—adj. of, pertaining to, or included in an escalator clause: The union demands escalator protection of wages.