New-year-s Definition

pronoun

The holiday commemorating the New Year.

We spent last New Year's at her parent's house.
Every New Year's at least one of our windows gets broken.
Wiktionary

Origin of New-year-s

  • New Year +‎ -'s. Possibly influenced by New Year's Day and New Year's Eve, or by phrases such as New Year's celebrations.

    From Wiktionary