/ Dictionary / Index D direct-acting: Meaning and Definition of Find definitions for: di•rect-act•ing Pronunciation: (di-rekt'ak"ting, dī-), [key] — adj. (of a steam pump) having the steam pistons connected directly to the pump pistons without a crankshaft or flywheel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. direct-access storage device direct action Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language