a staff surmounted by a crook or cross carried by bishops as a symbol of pastoral office
a pastoral staff conferred on bishops and abbots at their installation
Staff, resembling a shepherd's crook, carried by bishops and abbots as a symbol of office.
The pastoral staff of a bishop. It was originally a walking stick and later acquired the symbolism of a shepherd's crook. It is a sign of pastoral authority.
A crosier (crozier, pastoral staff) is the stylized staff of office carried by high-ranking Roman Catholic, Eastern Orthodox, Anglican and some Lutheran prelates. The other typical insignia of most of these prelates, but not all, is the mitre.