noun
- The lunar calendar in use in ancient Rome; replaced by the Julian calendar in 46 BC. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). roman calendar. Retrieved September 30, 2026, from http://smartdefine.org/roman_calendar/definitions/1249988 |
| Chicago | WordNet. 2010. "roman calendar" http://smartdefine.org/roman_calendar/definitions/1249988 (accessed September 30, 2026). |
| Harvard | WordNet 2010, roman calendar, Smart Define, viewed 30 September, 2026, <http://smartdefine.org/roman_calendar/definitions/1249988>. |
| MLA | WordNet. "roman calendar" 23 October 2010. Web. 30 September 2026. <http://smartdefine.org/roman_calendar/definitions/1249988> |