N-COUNT
（家庭、学校及其他团体成员的）团聚，重聚，聚会
A reunion is a party attended by members of the same family, school, or other group who have not seen each other for a long time.
例句
The Association holds an annual reunion...
这个协会每年聚会一次。
The whole family was there for this big family reunion.
全家人都来参加了这次盛大的家庭聚会。