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.
R. Cobden.
4. (Law) An accession of land gradually washed to the shore or bank by the flowing of water. See Accretion.
Al*lu"vi*ous (&?;), n. [L. alluvius. See Alluvion.] Alluvial. [R.] Johnson.
Al*lu"vi*um (&?;), n.; pl. E. Alluviums, L. Alluvia (&?;). [L., neut. of alluvius. See Alluvious.] (Geol.) 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. Lyell.