"one who adjudicates," 1804, agent noun in Latin form from adjudicate.
Entries linking to adjudicator
adjudicate v.
"pronounce judgement upon, reward judicially," 1700, a back-formation from adjudication, or else from Latin adiudicatus, past participle of adiudicare "grant or award as a judge" (see adjudge). Related: Adjudicated; adjudicating.