What does the word volcano mean?

Usage examples for volcano

  1. Who would have believed that the old dried- up mummy had such a volcano in his brain? – Melomaniacs by James Huneker
  2. Boone's mood, which had been all day seething like the imprisoned fire- flood of a volcano, burst now in lava- flow through the ruptured crater of repression. – The Tempering by Charles Neville Buck
  3. This would be but a poor volcano if it hasn't enough fire even to cook an egg or roast a potato. – The Master of the World by Jules Verne