From The Collaborative International Dictionary of English v.0.48:
Alluvion \Al*lu"vi*on\, n. [F. alluvion, L. alluvio, fr. alluere
to wash against; ad + luere, equiv. to lavare, to wash. See
Lave.]
1. Wash or flow of water against the shore or bank.
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2. An overflowing; an inundation; a flood. --Lyell.
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3. Matter deposited by an inundation or the action of flowing
water; alluvium.
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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.
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4. (Law) An accession of land gradually washed to the shore
or bank by the flowing of water. See Accretion.
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