bilateral actglossary / bilateral act An act that involves the consenting wills of two or more distinct parties, as with a contract, a con-veyance, a mortgage, or a lease; AGREEMENT(1). 词条贡献者 资深译员玉晶,毕业于国内顶尖的高级翻译学院,擅长翻译各类与环境、安全与健康相关的法律文件。