• synonyms


  1. any imperfect fungus of the genus Botrytis, having the conidia in grapelike bunches: a major cause of plant disease.
  2. noble rot.
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Origin of botrytis

< New Latin (1832) < Greek bótry(s) bunch of grapes + New Latin -(ī)tis -itis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for botrytis


  1. any of a group of fungi of the genus Botrytis, several of which cause plant diseases
  2. winemaking a fungus of this genus, Botrytis cinerea, which causes noble rot
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012