1. Of or relating to a prothonotary or the office and duties of a prothonotary.
Usage: formal; chiefly legal/administrative

Examples

• The prothonotarial records were carefully preserved in the courthouse archives.
• She held prothonotarial responsibilities in the state court system.
• The prothonotarial office maintained all official court documents.
• His prothonotarial duties included certifying legal papers and managing court records.