Sentence:  This was the first <WSD>watchnight</WSD> meeting among the Methodists. The people met at half-past eight; the house was filled from end to end; and "we concluded the year," says w:John Wesley 
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.