Definitions for rainstormˈreɪnˌstɔrm
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Random House Webster's College Dictionary
rain•stormˈreɪnˌstɔrm(n.)
a storm with heavy rain.
Category: Meteorology
Origin of rainstorm:
1810–20
Princeton's WordNet
rainstorm(noun)
a storm with rain
Wiktionary
rainstorm(Noun)
A storm characterized by substantial, heavy rainfall.
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"rainstorm." Definitions.net. STANDS4 LLC, 2013. Web. 25 May 2013. <http://www.definitions.net/definition/rainstorm>.

