A year which is a multiple of one hundred (100) and marks that a century has past and changed to a new century (at the end of the year)

plural of century year

plural of equinoctial year

plural of ruin of the year

(chiefly poetic) The dying back of deciduous plants in late autumn.

(euphemistic, humorous) years old

plural of big year

plural of bissextile year

plural of year's purchase

plural of yester-year