black spot

noun

1
: any of several bacterial or fungal diseases of plants characterized by black spots or blotches especially on the leaves
2
chiefly British : a dangerous or troublesome place or area
… Wisteria Lane has always been a major accident black spot.Jane Simon

Examples of black 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.
Unlike black spot, downy mildew often starts at the top of the plant. Rita Perwich, San Diego Union-Tribune, 2 May 2026 Fuzzy growth or black spots indicate that mold is growing on the wood. Brandee Gruener, Southern Living, 30 Apr. 2026 Control black spot & mites affecting rose plantings. Tom MacCubbin, The Orlando Sentinel, 25 Apr. 2026 His posts, featuring his big blue eyes and fuzzy black spots, have garnered millions of views, with articles in major papers around the country and across the pond. Itay Hod, CBS News, 22 Apr. 2026 See All Example Sentences for black spot

Word History

First Known Use

1832, in the meaning defined at sense 2

Time Traveler
The first known use of black spot was in 1832

Browse Nearby Words

Cite this Entry

“Black spot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/black%20spot. Accessed 14 May. 2026.

Medical Definition

black spot

noun
: a spotting of frozen meat caused by an imperfect fungus of the genus Cladosporium (C. herbarum)

More from Merriam-Webster on black spot

Love words? Need even more definitions?

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

More from Merriam-Webster