[] () a type of intranet (= a computer network used within a company) which a company's customers and suppliers can link to using the Internet in order to obtain or provide information外联网；外部网络◆We have set up extranets with our 51 top suppliers.我们与 51 家最大的供应商建立了外联网。◆communicating with customers via an extranet与客户通过外联网联络