from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of various fungal or bacterial diseases of plants, resulting in small black spots on the leaves or on other parts.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A fungal disease among plants, particularly roses, that results in black spots on the leaves.
  • noun A section of roadway that has been designated as being particularly accident-prone.
  • noun A fictional judicial device among pirates, consisting of a black circle indicating condemnation.
  • noun snooker The spot on a snooker table where the black ball is normally placed.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any of several fungous diseases of plants that produce small black spots on the plant


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