Meaning & Definition of Year in English

1. A period of time containing 365 (or 366) days

• "She is 4 years old"

• "In the year 1920"

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"