/ Dictionary / Index R R.C.Ch.: Meaning and Definition of Find definitions for: R.C.Ch. Pronunciation: [key] Roman Catholic Church. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. R.C.A.F. rcd. Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language