The use of a heavy discharge of water to uncover a mineral vein or wash ore.(noun)
Present participle of hush.(verb)
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Use "hushing" in a sentence
"Either way, our government seems more interested in hushing up its own misdeeds than either keeping us safe or serving justice."
"One could hear the slap of the water and the patter of falling drops and a kind of hushing and hissing sound from the waves rolling and gambolling and slapping the rocks as if they were wild creatures who were perfectly free and tossed and tumbled and sported like this for ever."
""I am 'hushing' just as hard as I can," whispered the girl in return, and smiling a little now."