/ Dictionary / Index D dialog box: Meaning and Definition of Find definitions for: di'alog box" Pronunciation: [key] (in a graphical user interface) a box, called up temporarily on the screen, that asks for user input. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diallyl sulfide dialogic Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language