An arrangement or motion by which something slopes.(noun)
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Use "sloping" in a sentence
"Ice sloping from a bank may trap air underneath, reducing its strength."
"A few miles out from Kansas City, Missouri State, on a pleasant plain sloping off toward a murmuring stream, a branch of the mighty river, early in the spring of 1856, stood a rambling frame house two stories high, surrounded with piazzas, over which trailed grape-vines, clematis and Virginia creepers."
"Second, an obliquity of the interior part of the brain or skull -- in fact, a continuation upward of what is usually termed a sloping forehead; third, a distinct lessening of the posterior cerebral lobes, so that, as in the lower animals, they are not large enough to hide the cerebellum."