lightning rod

noun

1
: a grounded metallic rod set up on a structure (such as a building) to protect it from lightning
2
: one that serves to divert attack from another
3
: one that is a frequent target of criticism or focus of controversy
she has become a convenient lightning rod for voters' discontent with law-and-order issuesAric Press et al.

Examples of lightning rod in a Sentence

Recent Examples on the Web
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On top of that, proxy votes have become increasingly politicized, particularly in the US, where environmental or social issues have become a lightning rod. Sarah Keohane Williamson, Forbes.com, 12 Aug. 2025 Naomi Osaka was a tennis phenomenon — having won two Grand Slam titles by age 22 — who soon became a lightning rod over the subject of mental health in sports. Skyler Trepel Published, EW.com, 10 Aug. 2025 The 59-year-old also took the opportunity to encourage recruitment to the federal agency, which has become a lightning rod amid President Trump’s controversial mass deportation agenda. Karu F. Daniels, New York Daily News, 7 Aug. 2025 Breaking it down by brand: CBS The stalwart network, a lightning rod in the Skydance Paramount deal for several reasons, has plenty going for it despite the overall decline of linear TV viewership. Matt Donnelly, Variety, 26 July 2025 See All Example Sentences for lightning rod

Word History

First Known Use

1770, in the meaning defined at sense 1

Time Traveler
The first known use of lightning rod was in 1770

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Cite this Entry

“Lightning rod.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lightning%20rod. Accessed 19 Aug. 2025.

Kids Definition

lightning rod

noun
: a metal rod set up on a building or a ship and connected with the earth or water below to decrease the chances of damage from lightning

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