concordat
/kɒnˈkɔːdæt/noun
- an agreement or treaty, especially one between the Vatican and a secular government relating to matters of mutual interest（尤指梵蒂冈罗马天主教教廷和一国政府间所订的互利）协议, 协定; 条约。
词源
early 17th cent.: from French， or from Latin concordatum 'something agreed upon'， neuter past participle of concordare 'be of one mind' （see CONCORD）.