Breadcrumb Home > Dictionary > Index R rcpt.: Meaning and Definition of Find definitions for: rcpt. Pronunciation: [key] receipt. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. R.C.P. R.C.S. ✖ Related Content Daily Word Quiz: centrifugal Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language