vol·ca·no 
/vɑlˈkeɪnoʊ/ noun
plural vol·ca·noes or vol·ca·nos /vɑlˈkeɪnoʊ/ noun [count] : a mountain with a hole in the top or side that sometimes sends out rocks, ash, lava, etc., in a sudden explosion (called an eruption)
▪ The volcano last erupted 25 years ago. ▪ an active volcano [=a volcano that could erupt at any time or that is erupting now] ▪ a dormant volcano [=a volcano that is not currently active] ▪ an extinct volcano [=a volcano that does not erupt anymore]
▪ The volcano last erupted 25 years ago. ▪ an active volcano [=a volcano that could erupt at any time or that is erupting now] ▪ a dormant volcano [=a volcano that is not currently active] ▪ an extinct volcano [=a volcano that does not erupt anymore]
