/ Dictionary / Index T trickle-down theory: Meaning and Definition of Find definitions for: trick'le-down the"ory Pronunciation: [key] an economic theory that monetary benefits directed esp. by the government to big business will in turn pass down to and profit smaller businesses and the general public. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trickle-down trickle irrigation Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language