/ Dictionary / Index S slat back: Meaning and Definition of Find definitions for: slat' back" Pronunciation: [key] a chair back having two or more horizontal slats between upright posts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. slat slatch Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language