Webster's Revised Unabridged Dictionary · 1913

Alluvion

Alluvion ({not transcribed}) , noun

[French alluvion, Latin alluvio, from alluere to wash against; ad + luere, equiv. to lavare, to wash. See Lave.]

1.
Wash or flow of water against the shore or bank.
2.
An overflowing; an inundation; a flood. — Lyell
3.
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. — R. Cobden
4.
(Law) An accession of land gradually washed to the shore or bank by the flowing of water. See Accretion.