ㄘㄨㄥˊcóngㄐㄧˊ

  1. 匯集聚集百感叢集慨嘆萬千。」文選·嵇康·》:叢集累積奐衍。」

  2. 匯編文章中華文史叢集

to crowd together, to pile up, to cluster, (book)​ collection, series