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A physician who evaluates the competence of defendants to stand trial.
[Obsolete French aliéniste, psychiatrist : obsolete French aliéné, mentally ill (from past participle of aliéner, to estrange, make hostile, deprive of reason, from Old French, from Latin aliēnāre, to deprive of reason; see alienate) + French -iste, -ist (from Old French; see -ist).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Psychiatry) US a psychiatrist who specializes in the legal aspects of mental illness
2. (Psychiatry) obsolete a person who practises alienism
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
al•ien•ist(ˌeɪl yə nɪst, ˌeɪ li ə-)
1. (formerly) a physician specializing in the treatment of mental illness; psychiatrist.
2. an expert witness in a sanity trial.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.