/ˌɪntəˈmi:diəri; US -dɪerɪ ||; ˌɪntɚˈmidɪˌɛrɪ/noun [C] (plural intermediaries)an intermediary (between A and B) a person or an organization that helps two people or groups to reach an agreement, by being a means of communication between them 中间人，调解人（常协助双方达成协议）