/ Dictionary / Index P parchment worm: Meaning and Definition of Find definitions for: parch'ment worm" Pronunciation: [key] any of several polychaete worms of the genus Chaetopterus that secrete and live in a-shaped, parchmentlike tube. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. parchment paper parclose 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