rockfall

noun

rock·​fall ˈräk-ˌfȯl How to pronounce rockfall (audio)
: a mass of falling or fallen rocks

Examples of rockfall in a Sentence

Recent Examples on the Web
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But many locals understand there’s always the looming threat of another rockfall or landslide, particularly during a rainy winter, as this one has been. Grace Toohey, Los Angeles Times, 14 Jan. 2026 Instability, ground cracking and rockfalls are present around the Kīlauea caldera, which is why that area of Hawai'i Volcanoes National Park has been closed since 2007. Julia Jacobo, ABC News, 8 Dec. 2025 Throughout the hours-long operation, there was constant danger of rockfall, officials said. Sam Gillette, PEOPLE, 20 Nov. 2025 The rain caused a minor rockfall and debris flows on a stretch of Topanga Canyon Boulevard between Pacific Coast Highway and Grand View Drive, Caltrans said. Sean Emery, Oc Register, 15 Nov. 2025 See All Example Sentences for rockfall

Word History

First Known Use

1901, in the meaning defined above

Time Traveler
The first known use of rockfall was in 1901

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Cite this Entry

“Rockfall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rockfall. Accessed 16 Feb. 2026.

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