A salve which was supposed to cure a wound by being applied to the weapon that made it.(noun)
The Century Dictionary (Public Domain)
Use "weapon-salve" in a sentence
"Baptista Porta (1543-1615), one of the originators of the weapon-salve, had also great faith in the magnet."
"The weapon-salve continued to be much spoken of on the Continent, and"
"And about the year 1625, Dr. Robert Fludd, an English physician of learning and repute, introduced the famous "weapon-salve," which became immensely popular."