the time taken by the earth to make one revolution around the sun

the period of 365 days (or 366 days in leap years) starting from the first of January, used for reckoning time in ordinary circumstances

one's age or time of life

she had a composure well beyond her years

a very long time; ages

it's going to take years to put that right

a set of students grouped together as being of roughly similar ages, mostly entering a school or college in the same academic year

most of the girls in my year were leaving at the end of the term