New Hampshire rule

[ nōō′ hămpshər, hăm- ]

n.

An 1871 US rule used as a test of criminal responsibility and stating that criminal intent is not involved if the criminal act was due to insanity.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.