prothonotary

(obsolete, historical) A chief legal clerk or notary in Roman Byzantium, and (hence) in Rome.

(Roman Catholicism) One of the seven prelates, constituting a college in the Roman Curia, whose office is to register pontifical acts and to make and preserve the official record of beatifications.

A registrar or chief clerk in various courts of law, especially (US) in a county court, (Australia) in certain state Supreme Courts, (Canada) in Federal Court.

(Greek Orthodox Church, historical) The chief secretary of the patriarch of Constantinople.