捺印 nàyìn to thumbprint Definitions Defs Origin Strokes Stroke Words Sentences Sents nàyìn to thumbprint 捺 nà to press down To press down firmly with the fingers; to make a thumbprint印 yìn noun mark A mark, trace, or footprint left on a surface; an impressionnàyìn seal 捺 nà to press down To press down firmly with the fingers; to make a thumbprint印 yìn nounverb stamp A seal, stamp, or official chop; a tool used to leave a mark.
