ament
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Related to amentaceous: amentiferous, mendacious
ament
A term of historic interest for a person who is profoundly retarded.Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
ament
A person mentally deficient from birth. The term literally means ‘without a mind’.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005