封泥 Traditional form: 封泥 Pinyin (reading): fēngní Definitions: sealing clay lute Characters: 封 - envelope, letter; to confer, to grant; feudal 泥 - mud, earth, clay; plaster, paste Traditional characters: 封 - envelope, letter; to confer, to grant; feudal 泥 - mud, earth, clay; plaster, paste