| Volcano (n.) A mountain or hill, usually more or less conical in form, from which lava, cinders, steam, sulphur gases, and the like, are ejected; -- often popularly called a burning mountain. Thesaurus Entries belch, burst, cascade, debouchment, dissiliency, eructation, eruption, flare-up, gush, jet, outbreak, outburst, rapids, rush, spate, spew, spurt, torrent, volcan |