Definition of rainstorm Rainstorm

/ɹejˈnstɔˌɹm/ - [reynstorm] - rain•storm

We found 4 definitions of rainstorm from 4 different sources.

What does rainstorm mean?

Noun Plural: rainstorms
rainstorm - a storm with rain
		violent storm, storm a direct and violent assault on a stronghold
		rainfall, rain anything happening rapidly or in quick successive; "a rain of bullets"; "a pelting of insults"
		equinoctial storm, line storm a violent rainstorm near the time of an equinox

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Rainstorm is a sudden heavy fall of rain. It may flood land which is not much above the level of the sea (e.g. coastal flat land and river basins). Also, landslides may happen.