volcanonounmasculine/vuɫˈkɐ̃u/mediumvu·lcãoPortuguesEnglishEspanolFrancaisDefinitionAn opening in the Earth's crust through which lava, gases, and ash escape.The volcano erupted.Volcanoes can be dangerous.synmountaincraterCommon collocationsactive volcanoextinct volcanoEtymologyDo latim 'vulcanus'Related wordsvulcânicovulcanologia