主从 Traditional form: 主從 Pinyin (reading): zhǔcóng Definitions: master-slave (computing) client-server (computing) primary and secondary Characters: 主 - to own; to host; master; host; lord 从 - from, by, since, whence, through Traditional characters: 主 - to own; to host; master; host; lord 從 - from, by, since, whence, through