| alluvium | Origin: L, neut. Of alluvius. See Alluvious. <geology> Deposits of earth, sand, gravel, and other transported matter, made by rivers, floods, or other causes, upon land not permanently submerged beneath the waters of lakes or seas. Source: Websters Dictionary (01 Mar 1998) |
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| alluvium | clay or slit or gravel carried by rushing streams and deposited where the stream slows down |
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