/ Dictionary / Index P plate-dog: Meaning and Definition of Find definitions for: plate-dog Pronunciation: (plāt'dôg", -dog"), [key] — n. Print. a heavy metal plate on which plates, stereos, etc., are locked into position for printing on a rotary press. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. plated plateful Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language