/ Dictionary / Index B B.R.C.A.: Meaning and Definition of Find definitions for: B.R.C.A. Pronunciation: [key] Brotherhood of Railway Carmen of America. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Brazzaville B.R.C.S. Related Content Daily Word Quiz: divulge Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language