Solfatara (Solfata`ra) , a fissure or crevice in the earth which emits sulphurous and other vapours, and in regions where volcanoes have ceased to be active; they are met with in South Italy, the Antilles, Mexico, and Java.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Soleure * Solferino