(literary) The later years of one's life, especially after one has finished one's career.

plural of academic year

plural of year to date

An informal competition among birdwatchers to determine who can see or hear the largest number of species of birds within a single calendar year and within a specific geographical area.

The holiday commemorating (the beginning of) the new year.

(astronomy) Great Year; one complete precession of the equinoxes, approximately 25,765 years.

Synonym of twilight years

In the Jewish calendar, a year of 355 days or a leap year of 385 days; perfect year.

plural of abundant year

The period of time equal to half a year; normally referred to as 6 months, but a half-year is more exactly 182.5 days (without a leap day)