/ fəˈrensɪk; NAmE ; -ˈrenzɪk/ adjective [ only before noun ]
1.
connected with the scientific tests used by the police when trying to solve a crime :
forensic evidence / medicine / science / tests
the forensic laboratory
a forensic pathologist
2.
connected with or used in court :
a forensic psychiatrist (= one who examines people who have been accused of a crime)
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WORD ORIGIN
mid 17th cent.: from Latin forensis in open court, public, from forum what is out of doors , originally denoting an enclosure surrounding a house.