/ Dictionary / Index P powerbroker: Meaning and Definition of Find definitions for: pow•er•bro•ker Pronunciation: (pou'ur-brō"kur), [key] — n. a person who wields great political, governmental, or financial power. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: powerbroker (Thesaurus) power brake power cable Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language