Black's Law Dictionary (2nd edition)dictionaries

Cobra-Venom Reaction

In med-ical jurisprudence. A method of sernm-diag-nosis of insanity from haemolysis (breaking up of the red corpuscles of the blood) by ln-Jectlons of the venom of cobras or other serpents. This test for insanity has recently been employed in Germany and some other European countries and in Japan

Source: Black's Law Dictionary 2nd Ed (1910)