leaf spot

noun

: any of various plant diseases characterized by discolored often circular spots on the leaves

Examples of leaf spot in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Make pruning cuts at a 45 degree angle to allow water runoff and discourage diseases such as bacterial leaf spot. Barbara Gillette, The Spruce, 16 Mar. 2026 Planting azaleas in open but shady areas also helps to control leaf spots. Tom MacCubbin, The Orlando Sentinel, 14 Mar. 2026 Another problem is the leaf spot. Steve Bender, Southern Living, 10 Mar. 2026 Diseases often stem from overwatering, leading to issues such as root rot, leaf spot, and wilt. Sj McShane, Martha Stewart, 9 Feb. 2026 See All Example Sentences for leaf spot

Word History

First Known Use

circa 1846, in the meaning defined above

Time Traveler
The first known use of leaf spot was circa 1846

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Cite this Entry

“Leaf spot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leaf%20spot. Accessed 22 Mar. 2026.

Last Updated: - Updated example sentences
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