plural of seven-year itch

plural of New Year's Eve

A project that is culmination of an academic course or major. This is typically done at the end of said course or major.

Alternative form of year-round.

(medicine) A unit of measurement, equivalent to one year of life in perfect health, that can be used to decide whether a medical procedure is worthwhile for an individual.

I was born ... year(s) ago.

A storm of such force that it occurs only once every one hundred years approximately.

plural of one-hundred-year storm

A century egg (Chinese egg dish)

Used to emphasize the annual distinctiveness of Christmas, especially in contexts where either the special joys or tribulations of the holiday are described.