prothonotary

noun4

1. •
   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.
2. •
   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.

   • I accordingly did direct him how to enter an appearance with the prothonotary and to obtain a copy of the plaint or declaration. — 1808
3. •
   (historical) A chief legal clerk or notary in Roman Byzantium, and (hence) in Rome.
4. •
   (historical) The chief secretary of the patriarch of Constantinople.