(same as 序) an east and west wall; side rooms, screen-walls to private rooms of the palace, ancient school which was also an asylum for aged scholars
【戌集中】【阜字部】䦽 ·康熙筆画:12 ·部外筆画:4
《集韻》象呂切,音緒。《玉篇》今作序。《集韻》東西牆也。或作㘧。