Sentence:  <WSD>Watchnight</WSD>. December 31 This is a midnight service that summarizes the past year. In recent centuries, the Moravians and early Methodists have celebrated it as a vigil service focusing on newness, the spiritual life, and covenants. 
Meaning of the word marked with <WSD> tags:  A religious service involving a review of the past year and preparation for the year ahead participated in by Methodists and members of other Christian denominations which starts late on New Year's Eve and ends after midnight on New Year's Day; "hence", the night that begins on December 31 and ends on January 1.