al·​lu·​vi·​on | \ ə-ˈlü-vē-ən How to pronounce alluvion (audio) \

Definition of alluvion

1 : the wash or flow of water against a shore
4 : an accession to land by the gradual addition of matter (as by deposit of alluvium) that then belongs to the owner of the land to which it is added also : the land so added

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Examples of alluvion in a Sentence

the nonstop torrential rains were threatening to produce an alluvion of biblical proportions

First Known Use of alluvion

circa 1541, in the meaning defined at sense 1

History and Etymology for alluvion

Latin alluvion-, alluvio, from alluere to flow past, deposit (of water), from ad- + lavere to wash — more at lye

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The first known use of alluvion was circa 1541

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Cite this Entry

“Alluvion.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2020.

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al·​lu·​vi·​on | \ ə-ˈlü-vē-ən How to pronounce alluvion (audio) \

Legal Definition of alluvion

: material (as clay, silt, sand, or gravel) deposited by running water especially : the land added by the gradual or imperceptible accumulation of such material along a bank or shore alluvion formed in front of the property of several owners is divided equitablyLouisiana Civil Code

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