/ Dictionary / Index P planchet: Meaning and Definition of Find definitions for: planch•et Pronunciation: (plan'chit), [key] — n. a flat piece of metal for stamping as a coin; a coin blank. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: planchet (Thesaurus) planch planchette Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language