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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.

a hazardous place in a road where accidents frequently occur.
a dangerous area or place.

Historical Examples

The French Revolution Thomas Carlyle
An Artilleryman’s Diary Jenkin Lloyd Jones

a place on a road where accidents frequently occur
any dangerous or difficult place
a disease of roses, Diplocarpon rosae, that causes circular black blotches on the leaves


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  • Black-squirrel

    a fox squirrel or gray squirrel in that color phase in which the fur is black.

  • Black-stem

    a disease of plants, characterized by blackened stems and defoliation, caused by any of several fungi, as Ascochyta imperfecta or Mycosphaerella lethalis.

  • Blackstone

    Sir William, 1723–80, English jurist and writer on law. a river in S Massachusetts, flowing SE across NE Rhode Island to Pawtucket. About 40 miles (64 km) long. Contemporary Examples Bridgewater May Be the Hottest Hedge Fund for Harvard Grads, but It’s Also the Weirdest Daniel Gross March 6, 2013 Struggling PC Maker Dell Might […]

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