紐 niǔ knot, button Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: nu All meanings 3 niǔ 3 button 1nu 1turn 1 1 sentence for 紐 (niǔ — nu) 纽是希腊字母表中的一个字母。 niǔ shì Xīlà zìmǔbiǎo zhōng de yī gè zìmǔ. Nu is a letter in the Greek alphabet. Source: Dong Chinese Dictionary