alluvion

definition: clay or silt or gravel carried by rushing streams and deposited where the stream slows down
example:
speech part: noun
synonyms: alluvial sediment
definition: the rising of a body of water and its overflowing onto normally dry land
example:
speech part: noun
synonyms: flood
definition: gradual formation of new land, by recession of the sea or deposit of sediment
example:
speech part: noun
synonyms:

How alluvion is being used?