/ Dictionary / Index R reverse curve: Meaning and Definition of Find definitions for: reverse' curve' Pronunciation: [key] an-shaped curve, as on highways and railroad tracks, produced by the joining of two curves that turn in opposite directions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. reverse commuter reversed collar Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language