[ dol-er-spot ]
/ ˈdɒl ərˌspɒt /

noun Plant Pathology.

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.

Origin of dollarspot

First recorded in 1910–15; dollar + spot Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019