a volcanic vent or fissure giving off only vapors, esp. sulfurous gases
Origin of solfataraItalian from solfo, sulfur from Classical Latin sulfur
A volcanic area that gives off sulfurous gases and steam.
Origin of solfataraItalian from solfo sulfur from Latin sulfur
From Solfatara, the name of a volcano near Naples, from Italian solfo (“sulphur").