A volcano is an opening in the Earth's surface through which molten rock, ash, and gases are released. The term 'volcano' can refer to both the vent from which the materials are released and the landform created by the accumulation of these materials. The crossword solutions for the term 'volcano' include 'MOUNTAIN, ' referring to the landform created by the eruption of a volcano; 'Etna, ' a volcano located on the island of Sicily; 'Shasta, ' a volcano located in northern California; 'Pelee, ' a volcano located on the Caribbean island of Martinique; and 'erupter, ' referring to the process of a volcano erupting.