Definition of "profiler" [profiler]

• A mechanical device that cuts complex, irregular shapes by tracing a pattern. (noun)
• A person who creates a profile for something or someone, especially a psychological profile for an unknown criminal. (noun)
• A software program that measures the performance of different portions of another program in order to locate bottlenecks. (noun)

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• "After the runaway success of Jacobson’s first Karen Vail novel, The 7th Victim, our impressive FBI profiler is back in the fantastic follow-up, Crush."
• "The 34-year-old psychiatrist analyzes criminal behavior and is the only so-called profiler at Japan's National Police Agency (NPA)."
• "Steve Sailer's iSteve Blog: British surname profiler skip to main"