Definition of prothonotary
: a chief clerk of any of various courts of law
prothonotarialplay \prō-ˌthä-nə-ˈter-ē-əl, ˌpro-thə-nō-ˈter-ē-əl\ adjective
Origin and Etymology of prothonotary
Late Latin protonotarius, from proto- first in time + Latin notarius stenographer
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