noun
- The name of the day that is added during a leap year.
- synonyms: bissextile day, February 29
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). leap day. Retrieved September 20, 2026, from http://smartdefine.org/leap_day/definitions/1249939 |
| Chicago | WordNet. 2010. "leap day" http://smartdefine.org/leap_day/definitions/1249939 (accessed September 20, 2026). |
| Harvard | WordNet 2010, leap day, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/leap_day/definitions/1249939>. |
| MLA | WordNet. "leap day" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/leap_day/definitions/1249939> |