Insanity in law

plea to insanity of crimnal actions used in a court system

thumb|alt=From The Women's Library: Suffrage Collection; Created by the Suffrage Atelier|A suffragist postcard depicting a lunatic, symbolized by a [[moon]] Lunatic is a term referring to a person who is seen as mentally ill, dangerous, foolish, or crazy—conditions once attributed to "lunacy". The word derives from lunaticus meaning "of the moon" or "moonstruck".

Latin legal phrase meaning "of unsound mind"

legal defense

Guideline governing legal pleas of insanity