/ Dictionary / Index P pump priming: Meaning and Definition of Find definitions for: pump' prim"ing Pronunciation: [key] the spending of government funds in commercial enterprises, to stimulate the national economy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pumpman pump room Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language