/ Dictionary / Index T toolbox: Meaning and Definition of Find definitions for: tool•box Pronunciation: (tl'boks"), [key] — n. a box or case in which tools are kept. an attached mechanism, as on planing machines or lathes, that carries the cutting tools. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: toolbox (Thesaurus) tool tool engineering Related Content Daily Word Quiz: benevolent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language