noun
- In the Gregorian calendar: any year divisible by 4 except centenary years divisible by 400.
- synonyms: intercalary year, 366 days, bissextile year
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). leap year. Retrieved September 20, 2026, from http://smartdefine.org/leap_year/definitions/1250109 |
| Chicago | WordNet. 2010. "leap year" http://smartdefine.org/leap_year/definitions/1250109 (accessed September 20, 2026). |
| Harvard | WordNet 2010, leap year, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/leap_year/definitions/1250109>. |
| MLA | WordNet. "leap year" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/leap_year/definitions/1250109> |