thundershower

[ thuhn-der-shou-er ]
/ ˈθʌn dərˌʃaʊ ər /

noun

a shower accompanied by thunder and lightning.

Origin of thundershower

First recorded in 1690–1700; thunder + shower1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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British Dictionary definitions for thundershower

thundershower
/ (ˈθʌndəˌʃaʊə) /

noun

a heavy shower during a thunderstorm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012