Definition of assistant bishop in English:
assistant bishop
noun
Christian ChurchA bishop appointed to act as an assistant to a diocesan bishop, archbishop, etc.; a suffragan or auxiliary bishop.
In later use chiefly in the Anglican Church outside the Church of England (where the usual term is suffragan bishop); compare note at "suffragan".
Origin
Early 17th century; earliest use found in Alexander Leighton (c1570–1649), religious controversialist.
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