Tipstaff
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In English law
An officer appointed by the marshal of the king's bench to attend upon the judges with a kind of rod or staff tipped with silver, who take into their custody all prisoners, either committed or turned over by the Judges at their chambers, etc.
Jacob.
In American law
An officer appointed by the court, whose duty is to wait upon the court when it is in session, preserve order, serve process, guard juries, etc.