Definition of black spot in English:

black spot

Syllabification: black spot

noun

  • A disease of plants, especially of roses, producing black blotches on leaves.
    More example sentences
    • Many popular roses are also susceptible to three fungal diseases, whose names black spot, mildew, and rust are descriptive of their appearance on rose leaves.
    • A soaker hose waters the base of every plant, thereby minimizing black spot and mildew problems that often arise from wetting the leaves.
    • To prevent black spot from infecting new plants, spray with a synthetic chemical fungicide once every 10 days, starting in midspring.

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Pronunciation: kəːf
noun
a slit made by cutting with a saw