alienist

alienist definition - medical

al·ien·ist (ālˈyə-nĭst, āˈlē-ə-)

noun
A physician accepted by a court of law as an expert on the mental competence of principals or witnesses.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.