flood, inundation, deluge, alluvion -- (the rising of a body of water and its overflowing onto normally dry land; "plains fertilized by annual inundations")
Overview of verb deluge
The verb deluge has 3 senses
deluge, flood, inundate, swamp -- (fill quickly beyond capacity; as with a liquid; "the basement was inundated after the storm"; "The images flooded his mind")