Matter deposited by an inundation or the action of flowing water; alluvium. "The golden alluvions are there (in California and Australia) spread over a far wider space: they are found not only on the banks of rivers, and in their beds, but are scattered over the surface of vast plains."
4.
(Law) An accession of land gradually washed to the shore or bank by the flowing of water. See Accretion.
... of this alluvion is illustrated by the very slight descent of the Jhelam. From Ismailabad, near the head of the valley, and fifty-four hundred feet above the level of the sea, the fall to Srinagar, thirty miles, is seventy-five feet; and from the capital to Lake Wular, twenty-four miles below, ... — Lippincott's Magazine, Vol. 22, September, 1878 • Various
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