印纽 yìnniǔ seal knob Origin Definitions Defs Strokes Stroke Words Sentences Sents 印 yìn nounverb stamp A seal, stamp, or official chop; a tool used to leave a mark.纽 紐 niǔ knob/handle The part of an object used for holding, lifting, or hanging it, such as a knob on a seal or a loop on a scale.