/ Dictionary / Index P pulp canal therapy: Meaning and Definition of Find definitions for: pulp' canal" ther"apy Pronunciation: [key] endodontics. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pulp canal pulp cavity Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language