(n) :
(medicine, archaic) A pseudoscientific treatment in which two pointed metal rods ("tractors") were waved over the body, supposed to cure inflammation, rheumatism, etc. by drawing off an electrical fluid.
(n) :
(medicine, archaic) A pseudoscientific treatment in which two pointed metal rods ("tractors") were waved over the body, supposed to cure inflammation, rheumatism, etc. by drawing off an electrical fluid.