Breadcrumb Home > Dictionary > Index R Roman calendar: Meaning and Definition of Find definitions for: Ro'man cal'endar Pronunciation: [key] the calendar in use in ancient Rome until 46b.c., when it was replaced with the Julian calendar. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Roman brick Roman candle ✖ Related Content Daily Word Quiz: cacophony Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language