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leap year
noun
1
: a year in the Gregorian calendar containing 366 days with February 29 as the extra day
2
: an intercalary year in any calendar
Examples of leap year in a Sentence
Recent Examples on the Web
Year to date shows similar growth, but a quirk in the calendar (leap year 2024 means one less full weekend is in the comparable total) make actual improvement smaller.
—Tom Brueggemann, IndieWire, 26 Jan. 2025
The next leap years will be in 2028, 2032 and 2036.
—Olivia Munson, USA TODAY, 29 Feb. 2024
Whenever a leap year comes around, there are always a few errors that pop up around the world.
—Julian Dossett, Space.com, 29 Feb. 2024
The adjustments brought forth the Julian calendar, a solar calendar, which included a leap year system.
—Joyce Orlando, The Tennessean, 29 Feb. 2024
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Word History
First Known Use
14th century, in the meaning defined at sense 1
Time Traveler
The first known use of leap year was
in the 14th century
Dictionary Entries Near leap year
Cite this Entry
“Leap year.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leap%20year. Accessed 7 Feb. 2025.
Kids Definition
leap year
noun
: a year in the Gregorian calendar containing 366 days with February 29 as the extra day
More from Merriam-Webster on leap year
Nglish: Translation of leap year for Spanish Speakers
Britannica.com: Encyclopedia article about leap year
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