誕たん生じょう会かいたんじょうかいMeanings1nounbirthday partyA party held to celebrate someone's birthday. Often used for children's parties or casual gatherings.来らい週しゅう、友とも達だちの誕たん生じょう会かいを開ひらく予よ定ていです。We're planning to hold a birthday party for a friend next week.娘むすめの誕たん生じょう会かいに