/ Dictionary / Index P platemaker: Meaning and Definition of Find definitions for: plate•mak•er Pronunciation: (plāt'mā"kur), [key] — n. Print. a machine that makes plates used for reproducing illustrations or printed matter, esp. halftone or etched illustrations. the operator of such a machine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. platelet plate mark Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language