year meaning and definition

YEAR noun

Definition of year (noun)

1. a period of time containing 365 (or 366) days
   • "she is 4 years old"; "in the year 1920"
   • synonyms: twelvemonth, yr
2. a period of time occupying a regular part of a calendar year that is used for some particular activity
   • "a school year"
3. the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun
   • "a Martian year takes 687 of our days"
4. a body of students who graduate together
   • "the class of '97"; "she was in my year at Hoehandle High"
   • synonyms: class