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.
Application of a turf fungicide is recommended as leaf spots and root rot are very common with new sod due to the frequent watering and rains. Tom MacCubbin, The Orlando Sentinel, 16 Aug. 2025 While unsightly, mildews and leaf spots will seldom kill annuals; however, blight and root rot are frequently the demise of the plant. Mary Marlowe Leverette, Southern Living, 15 Aug. 2025 All hydrangeas are susceptible to fungal leaf spots, with oakleaf hydrangeas being the most vulnerable, notes Hirvela. Leanne Potts, Better Homes & Gardens, 6 July 2025 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

Browse Nearby Words

Cite this Entry

“Leaf spot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leaf%20spot. Accessed 9 Sep. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!