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.
Horvath says this hybrid is more resistant to rust and leaf spot diseases than other serviceberry trees. Tessa Cooper, The Spruce, 18 Apr. 2026 Fungicide applications can cure powdery mildew, leaf spot, and wilt. Mary Marlowe Leverette, Southern Living, 13 Apr. 2026 Planting azaleas in open but shady areas also helps to control leaf spots. Tom MacCubbin, The Orlando Sentinel, 14 Mar. 2026 Tobacco mosaic and bacterial leaf spot are two common issues. Madeline Buiano, Martha Stewart, 8 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 2 May. 2026.

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