クラス会かいクラスかいMeanings1nounclass reunionA gathering of former classmates, typically from school or university.来らい月げつ、高こう校こうのクラス会かいがある。There's a high school class reunion next month.クラス会かいの幹かん事じを引ひき受うけた。I took on the role of organizer for the class reunion.