/ Dictionary / Index R roll joint: Meaning and Definition of Find definitions for: roll' joint" Pronunciation: [key] (in sheet-metal work) a joint formed by rolling together and flattening the edges of adjoining sheets. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rollins rollmop Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language