̷ ̷ˈ ̷ ̷ ̷ ̷_ən, -ˌän noun
( -s )
Etymology: Latin alluvion-, alluvio, from alluere to wash against (from ad- + -luere, from lavere to wash) + -ion-, -io -ion — more at lye
1. : the wash or flow of water against the shore or bank
2. : an overflowing : inundation , flood
3. : alluvium
4. : an accession to land by the gradual addition of matter by the action of water or sometimes by the gradual reliction of the water from its bank, the land so added belonging to the owner of the land to which it is added ; also : the land so added — compare accession 2c, accretion 1c