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View synonyms for lightning bug

lightning bug

noun

  1. firefly.

lightning bug

noun

  1. another name for the firefly

“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
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Word History and Origins

Origin of lightning bug1

An Americanism dating back to 1770–80

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