black spot

American  

[blak spot, blak spot] / ˈblæk ˈspɒt, ˈblæk ˌspɒt /

Or blackspot

noun

1. 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.

2. British.

   1. a hazardous place in a road where accidents frequently occur.

   2. a dangerous area or place.

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black spot British  

noun

1. a place on a road where accidents frequently occur

2. any dangerous or difficult place

3. a disease of roses, Diplocarpon rosae , that causes circular black blotches on the leaves

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Etymology

Origin of black spot

First recorded in 1885–90

Example Sentences

Each specimen showed wing feathers that were white with a distinct black spot at the tip.

From Science Daily

I lurched backward, black spots blooming in my vision as he attempted to pry the cuff off his arm.

From Literature

Minutes later, a tiny black spot arose in the sky above the Shipwreck, growing bigger and bigger as it came nearer.

From Literature

Then they repaired some of the tiles that had lost their enamel and gold leaf, making them look like black spots from down below.

From BBC

He noticed a bumpy “black spot” on her head.

From Los Angeles Times