/ Dictionary / Index P purchase tax: Meaning and Definition of Find definitions for: pur'chase tax" Pronunciation: [key] — Brit. Brit. a sales tax on nonessential and luxury goods. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. purchase purchasing agent Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language