Definition of white rot
1 : any of several plants (as marsh pennywort and butterwort) formerly held to produce rot in sheep
2a : a disease of grapes caused by an imperfect fungus (Coniothyrium diplodiella) that produces white or grayish brown-bordered spots on young shoots and fruit b : any of several wood rots of various trees caused chiefly by fungi of the genus Fomes c : a fungal rot of onions, garlic, shallots, and related plants caused by a fungus (Sclerotinia cepivorum) and characterized by production of abundant white mycelium
3 : a watery spoiled condition of eggs in which the white is mixed with the yolk; also : an egg so spoiled
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First Known Use of white rot
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