prothonotary
noun
pro·tho·no·ta·ry prō-ˈthä-nə-ˌter-ē 
ˌprō-thə-ˈnō-tə-rē
ˌprō-thə-ˈnō-tə-rē variants or protonotary
prō-ˈtä-nə-ˌter-ē
ˌprō-tə-ˈnō-tə-rē
plural prothonotaries
: a chief clerk of any of various courts of law
prothonotarial
prō-ˌthä-nə-ˈter-ē-əl
adjective ˌpro-thə-nō-ˈter-ē-əl
Example Sentences
Recent Examples on the Web Blew is tasked with facilitating naturalization ceremonies in York County, Pennsylvania, as the county's prothonotary -- a clerk who handles civil matters. 
Catherine E. Shoichet, CNN, 4 June 2020
Catherine E. Shoichet, CNN, 4 June 2020 Word History
Etymology
Middle English prothonotarie, from Late Latin protonotarius, from prot- + Latin notarius stenographer — more at notary public
First Known Use
15th century, in the meaning defined above
Phrases Containing prothonotary
Legal Definition
prothonotary
noun
pro·thon·o·ta·ry prə-ˈthä-nə-ˌter-ē, ˌprō-thə-ˈnä-tə-rē
plural prothonotaries
: a chief clerk of any of various courts of law