Main entry: alluvial deposit, alluvial sediment, alluvion, alluvium
Definition: clay or silt or gravel carried by rushing streams and deposited where the stream slows down
Main entry: flood, inundation, deluge, alluvion
Definition: the rising of a body of water and its overflowing onto normally dry land
Usage: plains fertilized by annual inundations
Main entry: alluvion
Definition: gradual formation of new land, by recession of the sea or deposit of sediment