/ Dictionary / Index T tack hammer: Meaning and Definition of Find definitions for: tack' ham"mer Pronunciation: [key] a light hammer for driving tacks, often magnetized to hold the tack to the head. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tacket tackle Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language