leap year

noun

Definition of leap year

  1. 1 :  a year in the Gregorian calendar containing 366 days with February 29 as the extra day

  2. 2 :  an intercalary year in any calendar

14th Century

First Known Use of leap year

14th century


LEAP YEAR Defined for English Language Learners

leap year

noun

Definition of leap year for English Language Learners

  • : a year of 366 days instead of 365 with February having 29 days instead of 28


LEAP YEAR Defined for Kids

leap year

noun

Definition of leap year for Students

  1. :  a year of 366 days with February 29 as the extra day



Seen and Heard

What made you want to look up leap year? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

an exhausted condition

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • peter-bruegel-tower-of-babel-painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!