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90s Slang You Should Know

black knot

noun, Plant Pathology.
a disease of plants, especially of plums and cherries, characterized by black knotlike overgrowths on the branches, twigs, etc., caused by a fungus, Dibotryon morbosa.
Origin of black knot
An Americanism dating back to 1835-45 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for black knot
Historical Examples
  • The black knot is best kept in check by cutting out the knots whenever they can be seen, and burning them.

  • black knot is a serious disease of the plum and of the cherry tree.

    Agriculture for Beginners Charles William Burkett
  • Suddenly the black knot of warriors dashed into the obstruction, brandishing spears and clubs, and screaming like maniacs.

    Brothers of Peril Theodore Goodridge Roberts
  • The diseases known as black knot and peach curl are thus caused.

    A Civic Biology George William Hunter
  • Well, I 'm sure I wish you would, if you 're any good at a black knot; my heart and my nails are both broke with one here.

  • There are four leading difficulties in the growing of Plums—leaf blight, fruit rot, black knot, and curculio.

  • Give me a knife, Nora, the string's perished with the salt water, and there's a black knot on it you wouldn't loosen in a week.

    Riders to the Sea J. M. Synge
  • All black knot should be cut out and burned some time before February of each year.

    Agriculture for Beginners Charles William Burkett
  • Now he was spurring the horses to a fine lather, for he could see the grooms in a black knot by the White Horse cellars.

    The Passionate Elopement Compton Mackenzie
  • The tree is sick; sick with a patching disease of trees called the black knot.

    Natural Wonders Edwin Tenney Brewster
British Dictionary definitions for black knot

black knot

a fungal disease of plums and cherries caused by Dibotryon morbosum, characterized by rough black knotlike swellings on the twigs and branches
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
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