/ Dictionary / Index T tack-weld: Meaning and Definition of Find definitions for: tack-weld Pronunciation: (tak'weld"), [key] — v.t. to join (pieces of metal) with a number of small welds spaced some distance apart. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tack room tacky Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language