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Christina,毕业于英国一流的高级翻译学院,擅长翻译涉及教育培训领域的法律文件。