wucommon nounproper nounEtymologyexpandfrom Chinese 吴 wú.Definition1. Chinese language mainly spoken in a large part of Zhejiang province, Shanghai municipality, and the southern part of Jiangsu province. ISO 639-3 code: wuu.linguistiqueexpandPluralwusTranslationsenglish:Wuchinese:吴语japanese:上海語See alsoWu (pn.)