volcano — English Dictionary

Noun

1. A vent or fissure on the surface of a planet (usually in a mountainous form) with a magma chamber attached to the mantle of a planet or moon, periodically erupting forth lava and volcanic gases onto the surface.

   Examples

   Iceland's volcanoes are among the most active on Earth.

2. A kind of firework producing an upward plume of sparks.

Verb

1. to erupt; to burst forth

   Examples

   She shrank back, the words volcanoed, words that stabbed again, and yet again

   More examples (1)

   Startled, you look up at the horizon just in time to see a gigantic plume of ash and dust volcanoing up into the sky and spreading out to form a gigantic cloud that will persist for days, weeks, perhaps years.

Noun

1. a fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt

   Synonyms

   vent

   Broader terms

   crackcleftcrevicefissurescissure

2. a mountain formed by volcanic material

   Broader terms

   mountainmount