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English definition of “volcano”

volcano

noun [C]     /vɒlˈkeɪ.nəʊ/ US  /vɑːlˈkeɪ.noʊ/ (plural volcanoes or volcanos)
B2 a mountain with a large, circular hole at the top through which lava (= hot liquid rock) gases, steam, and dust are or have been forced out: an extinct/dormant volcano an active volcano Erupting volcanoes discharge massive quantities of dust into the stratosphere.Earthquakes and volcanic eruptionsHills and mountains volcanic     /-ˈkæn.ɪk/ adjective volcanic ash/activity/rockEarthquakes and volcanic eruptionsHills and mountains
(Definition of volcano noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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