[noun] [C] [plural] volcanoes or volcanos - 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 outan extinct/dormant volcanoan active volcanoVolcanoes discharge massive quantities of dust into the stratosphere.Ash from the erupting Mount Pinatubo volcano in the Philippines reached Australian skies.
VOLCANO
Meaning of VOLCANO in English
Cambridge English vocab. Кембриджский английский словарь. 2012