signatoryglossary / SIGNATORY signatory (sig-n[schwa]-tor-ee), n. A party that signs a document, personally or through an agent, and thereby becomes a party to an agreement (eight countries are signatories to the treaty). — signatory, adj. 词条贡献者 法律翻译晓琳,国际知名商学院金融专业,专注翻译各类与金融服务与投资管理有关的法律文件。