VOLCANIC a.
e vitreous form of lava, produced by sudden cooling; obsidian. See Obsidian. -- Volcanic mud, fetid, sulphurous mud discharged by a volcano. -- Volcanic rocks, rocks which have been produced from the discharges of volcanic matter, as the various kinds of basalt, trachyte, scoria, obsidian, etc., whether compact, scor…
WADE v.
walk in a substance that yields to the feet; to move, sinking at each step, as in water, mud, sand, etc. So eagerly the fiend . . . With head, hands, wings, or feet, pursues his way, And swims, or sinks, or wades, or creeps, or flies. Milton.