Year (noun)
definition:
a body of students who graduate together
Synonyms
ClassYear (noun)
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
example:
"a Martian year takes 687 of our days"
Year (noun)
definition:
a period of time containing 365 days
example:
"I am four years old."
Synonyms
TwelvemonthYear (noun)
definition:
a period of time occupying a regular part of a calendar year that is used for some particular activity
example:
"a school year"