/ Dictionary / Index L laugh track: Meaning and Definition of Find definitions for: laugh' track" Pronunciation: [key] a separate sound track of prerecorded laughter added to the sound track of a radio or television program to enhance or feign audience responses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Laughton lau lau Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language