black spot

or black·spot

[blak spot for 1; blak spot for 2]


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

Origin of black spot

First recorded in 1885–90 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for black spot

Historical Examples of black spot

  • Alas, it is a well-spring, as we said, this black-spot; and will not tread down!

    The French Revolution

    Thomas Carlyle

  • They came from what in orthodox parlance was known as the "Smwtyn Du" the heretical "black-spot" in Wales.

    An Artilleryman's Diary

    Jenkin Lloyd Jones

British Dictionary definitions for black spot

black spot


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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012