princess consort
英[prinˈses ˈkɔnˌsɔ:t]美[ˈprɪnsɪs ˈkɑnˌsɔrt]
Princess consort is an official title or an informal designation normally accorded to the wife of a sovereign prince. The title may be used for the wife of a king if the more usual designation of queen consort is not used.