Aqua Tofana (Aqua Tofa`na) , Tofana's poison, some solution of arsenic with which a Sicilian woman called Tofana, in 17th century, poisoned, it is alleged, 600 people.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Apu`re * Aqua`rius