n.pl. (also M'Naghten rules) Brit. rules governing the decision as to the criminal responsibility of an insane person. [McNaughten or McNaughtan, name of a 19th-c. accused person]
MCNAUGHTEN RULES
Meaning of MCNAUGHTEN RULES in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012