/ Dictionary / Index P parchment paper: Meaning and Definition of Find definitions for: parch'ment pa"per Pronunciation: [key] a waterproof and grease-resistant paper produced by treating ordinary paper with concentrated sulfuric acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. parchmentize parchment worm Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language