/ Dictionary / Index P pulp plaster: Meaning and Definition of Find definitions for: pulp' plas"ter Pronunciation: [key] plaster containing shredded wood fiber. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pulpotomy pulpwood Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language