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dollarspot

American  
[dol-er-spot] / ˈdɒl ərˌspɒt /

noun

Plant Pathology.
  1. a turf disease caused by the fungus Sclerotinia or related genera, characterized by small, brown to straw-colored, round patches of dead grass that gradually spread and coalesce.


Etymology

Origin of dollarspot

First recorded in 1910–15; dollar + spot