an extinct volcano in south central Honshu that is the highest peak in Japan; last erupted in 1707; famous for its symmetrical snow-capped peak; a sacred mountain and site for pilgrimages

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

The innermost of the four satellites of Jupiter, the closest of Jupiter's moons; has active volcanoes, A type of moth, the io moth, interjection_ An exclamation of joy or triumph