brown spot

nounPlant Pathology.
  1. a disease of many plants, characterized by irregular, brownish lesions on the fruit and foliage and by stem cankers, caused by any of several fungi, as Ceratophorum setosum or Cephalosporium apii.

Words Nearby brown spot Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use brown spot in a sentence

  • The wings are smoky, and transparent, with dark brown veins, and a brown spot near the middle of the edge of the first pair.

    Parsons on the Rose | Samuel Browne Parsons
  • Affected berries, if young, first show a brown spot, and become covered with the gray down which distinguishes the fungus.

    The Grapes of New York | U. P. Hedrick