?字UNICODE編碼U+3F6B,10進制: 16235,UTF-32: 00003F6B,UTF-8: E3 BD AB。
?字位于中日韓統一表意文字擴充A區(CJK Unified Ideographs Extension A)。
seeds of the plant allied to the water-lily; used when ground into meal; as a coarse food, also as medicine (same as 壅) to block up, to bank up roots of plants, to impede (flow, etc.)