/ Dictionary / Index S slatch: Meaning and Definition of Find definitions for: slatch Pronunciation: (slach), [key] — n. Naut. a relatively smooth interval between heavy seas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. slat back slate Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language