/ Dictionary / Index M moving stairway: Meaning and Definition of Find definitions for: mov'ing stair'way Pronunciation: [key] escalator (def. 1). Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. moving sidewalk moving target indicator Related Content Daily Word Quiz: abscond Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language