Suffragan
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Bishops who in former times were appointed to supply the place of others during their absence on embassies or other business were so termed. They were consecrated as other bishops were, and were anciently calied "chorepiscopi," or "bishops of the county," in centradistinction to the regular bishops of the city or see. The practice of creating suffragan bishops, after having long been discontinued, was recently revived ; and such bishops are now permanently "assistant" to the bishops. Brown. A suffragan is a titular bishop ordained to aid and assist the bishop of the diocese in his spiritual function; or one who supplieth the place instead of the bishop, by whose suffrage ecclesiastical causes or matters committed to him are to be adjudged, acted on, or determined. Some writers call these suffragans by the name of "subsidiary bishops."
Tomlins.