/ Dictionary / Index S set-in sleeve: Meaning and Definition of Find definitions for: set'-in sleeve' Pronunciation: [key] a sleeve joined to the body of a garment at the shoulder and having a seam at that juncture. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. set-in setireme Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language