Dictionary.net

Lat. An insane man; a madman; a lunatic.Furiosus absentia loco est. A madman is the same with an absent person, [that Is,his presence Is of no effect.] Dig. 50, 17, 24, 1.Furiosus nullum negotium contrabere potest. A madman can contract nothing, [canmake no contract] Dig. 50, 17, 5.Furiosus solo furore puuitur. A madman is punished by his madness alone; that is,he is not answerable or punishable for his actions. Co. Litt 247&; 4 Bl. Comm. 24, 396;Broom, Max. 15.Furiosus stipulare non potest neo all- quid negotium agere, qui non intelligit quidagit. 4 Coke, 126. A madman who knows not what he does cannot make a bargain, nortransact any business.