1. See alluvium.
2. The flow of water against a shore or bank.
3. Inundation by water; flood.
4. Law The increasing of land area along a shore by deposited alluvium or by the recession of water.
[Latin alluviō, alluviōn-, from alluere, to wash against : ad-, ad- + -luere, to wash; see leu(ə)- in the Appendix of Indo-European roots.]
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