1.Definition: a body of students who graduate together

"The class of '97", "She was in my year at Hoehandle High"

Related Noun(s):class

Category: General

2.Definition: a period of time containing 365 (or 366) days

"She is 4 years old", "In the year 1920"

Related Noun(s):twelvemonth, yr

Category: General

3.Definition: a period of time occupying a regular part of a calendar year that is used for some particular activity

"A school year"

Category: General

4.Definition: 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"

Category: General