/ Dictionary / Index P procathedral: Meaning and Definition of Find definitions for: pro•ca•the•dral Pronunciation: (prō"ku-thē'drul), [key] — n. a church used temporarily as a cathedral. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. procaryote procedural Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language