/ Dictionary / Index T toolholder: Meaning and Definition of Find definitions for: tool•hold•er Pronunciation: (tl'hōl"dur), [key] — n. a device for holding a tool or tools. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. toolhead toolhouse Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language