leap year
A "leap year" occurs to correct the calendar year alignment with Earth's orbit around the sun.
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Definition
B2Gregorian Calendar
(technical)A year with 366 days, including February 29, occurring every four years to align the calendar with the solar year.
Example
- 2020 was a leap year, so February had 29 days.
- The next leap year will be in 2024.
B1General
(informal)A year that has an extra day in February, making it 29 days instead of 28.
Example
- In a leap year, we get an extra day in February.
- Leap years help keep our calendar in sync with the Earth's orbit.
Similar
Terms that have similar or relatively close meanings to "leap year":