/ Dictionary / Index Y yellow light: Meaning and Definition of Find definitions for: yel'low light' Pronunciation: [key] a yellow traffic light, usually preceding a signal halting traffic in a particular direction. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. yellowlegs yellow locust Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language