black spot
Americannoun
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Plant Pathology. a disease of plants, characterized by black spots on the fruit and foliage, twig lesions, defoliation, and rotting, caused by any of several fungi, as Diplocarpon rosae, or bacteria.
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British.
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a hazardous place in a road where accidents frequently occur.
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a dangerous area or place.
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noun
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a place on a road where accidents frequently occur
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any dangerous or difficult place
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a disease of roses, Diplocarpon rosae , that causes circular black blotches on the leaves
Etymology
Origin of black spot
First recorded in 1885–90
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Each specimen showed wing feathers that were white with a distinct black spot at the tip.
From Science Daily ● Mar. 18, 2026
But affordability alone cannot solve our widespread underuse of hearing aids, which we should be discussing as a black spot in American public health.
From Slate ● Oct. 20, 2024
WeWork, which finally went public in 2021 at a much reduced valuation than initially expected, remains a black spot for SoftBank that sunk billions for its investors.
From Reuters ● Nov. 1, 2023
These involved staring at the black spot of a candle flame until "everything around him disappeared" and he could fully visualise the face of the person he loved the most - his brother.
From BBC ● Oct. 21, 2023
He was particularly proud of the part about the black spot.
From "The Vanderbeekers of 141st Street" by Karina Yan Glaser
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
