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leap day

American  

noun

leap days plural
  1. February 29: the extra day added to the Gregorian calendar in leap year.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of leap day

First recorded in 1590–1600

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

To keep the calendar aligned with the Earth's orbit we add a leap day in every four years to make up for this difference.

From BBC Jun. 16, 2026

To sync the natural world to our calendars, we add a leap day every four years, on Feb. 29 — today.

From New York Times Feb. 29, 2024

That means couples who take the plunge on leap day can celebrate their wedding anniversary every four years, just in time for the Summer Olympics and presidential elections.

From Los Angeles Times Feb. 28, 2024

He then mandated a 365.25 day year that simply added a leap day every fourth year.

From National Geographic Feb. 26, 2024

Three hundred and sixty-six, if you count leap day.

From "The Strangers" by Margaret Peterson Haddix

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