新华字典
(ancient form of 禪) to sacrifice to heaven, the imperial power, as only the emperor was allowed to offer these sacrifices, to leanse; to exorcize, of Buddhism; Buddist
【午集下】【示字部】䄠 ·康熙筆画：18 ·部外筆画：13
《集韻》時戰切，音繕。祭天也。一曰讓也。《前漢·異姓諸侯王表》舜禹受䄠。《韻會》禪，漢書每作䄠，後世遂多通用，惟連言墠壇，則須分別耳。