しんねんかい
New Year's party (held in the beginning of the year, i.e. usually in January)
Noun
新年会しんねんかいはとても楽たのしかった。
We had a very good time at a New Year's party.
トムとメアリーは新年会しんねんかいで知しり合あった。
Tom and Mary met at a New Year's party.