私印 sīyìn private seal Origin Definitions Defs Strokes Stroke Words Sentences Sents sīyìn private seal 私 sī nounadjective private (bound form) personal; private; belonging to an individual rather than the public or government印 yìn nounverb stamp A seal, stamp, or official chop; a tool used to leave a mark.sīyìn to print privately 私 sī abbreviation of 私自 sīzì without permission done without the approval of the people or authorities in charge; secretly; privately印 yìn noun abbreviation of 印刷 yìnshuā to print to print; to produce copies of text or images on paper using plates or printers