solfatara

Noun

sol=fa=ta=ra

CIDE DICTIONARY

solfatara, n. [It., from solfo brimstone, sulphur, L. sulfur, E. sulphur.].

A volcanic area or vent which yields only sulphur vapors, steam, and the like. It represents the stages of the volcanic activity. [1913 Webster]

solfatara, n. a volcanic vent emitting only sulphurous and other vapours.

Etymology

name of a volcano near Naples, f. It. solfo sulphur