noun
- A symbol in the old Roman notation; I, V, X, L, C, D, M represent 1, 5, 10, 50, 100, 500, 1000 respectively in Arabic notation. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). roman numeral. Retrieved September 22, 2026, from http://smartdefine.org/roman_numeral/definitions/1323701 |
| Chicago | WordNet. 2010. "roman numeral" http://smartdefine.org/roman_numeral/definitions/1323701 (accessed September 22, 2026). |
| Harvard | WordNet 2010, roman numeral, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/roman_numeral/definitions/1323701>. |
| MLA | WordNet. "roman numeral" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/roman_numeral/definitions/1323701> |