cosignglossary / COSIGN cosign, vb. To sign a document along with another person, usu. to assume obligations and to supply credit to the principal obligor. — cosignature, n. 词条贡献者 资深译员David,毕业于亚洲顶尖的高级翻译学院,擅长翻译有关汽车业的法律文件。