black spot


: any of several bacterial or fungal diseases of plants characterized by black spots or blotches especially on the leaves
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 Brown to black spots with diffuse, feathery margins on the upper surface of leaves, with leaves often turning yellow and defoliating. Rita Perwich, San Diego Union-Tribune, 6 Apr. 2024 Eye floaters are tiny specks in your field of vision that may look like black spots or squiggly lines. Cassie Shortsleeve, Health, 30 Mar. 2024 The symptoms are very distinctive: the stems of the plants will turn black, there will be black spots on the leaves, and the most distinctive symptom is the plant will defoliate in sections. Chris McKeown, The Enquirer, 16 Mar. 2024 Other signs include black spots on flowers and stunted growth. Southern Living Editors, Southern Living, 8 Feb. 2024 Can a live-action Zelda film compete with Mario’s popularity–or, more importantly, erase the black spot placed on the company’s name by the original live-action Mario movie? WIRED, 9 Nov. 2023 Below the black spots, an orange slime covered the rocks of the Anaktok, rubbing off on the hands of Alexander Lee, an Alaska Pacific University philosophy professor who was helping to sample fish and invertebrates. Alec Luhn, Scientific American, 19 Dec. 2023 The plant is vigorous and demonstrates excellent resistance to black spot. Rita Perwich, San Diego Union-Tribune, 2 Dec. 2023 The little birds have reddish-brown backs and tails, blue-gray heads (in the case of the males) and pale bellies with black spots. Margaret Osborne, Smithsonian Magazine, 28 Nov. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'black spot.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near black spot

Cite this Entry

“Black spot.” Dictionary, Merriam-Webster, Accessed 23 Apr. 2024.

Medical Definition

black spot

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

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