The phrase "giant volcano" refers to a very big volcano, or a mountain that erupts with hot lava, ashes, and gases. It suggests that the volcano is much larger than normal and has the potential to cause massive destruction.
Sentences with «giant volcano»
I'm not sure if you can tell from the pictures but these jumbo cookies are like the size of your palms (my friend called them «giant volcano cookies» haha) (dessertswithbenefits.com)
The mother of all volcano kits, the NSI Smithsonian Giant Volcano bills itself as the most realistic volcano you'll see outside of the genuine article. (wetheparents.org)
Volcanologists say the simmering giant volcano is due another cataclysmic event. (co2insanity.com)