witches'-broom

(redirected from witches-besom)

witches'-broom

(ˈwɪtʃˌbruːm) or

witchbroom

;

witches'-besom

n
(Plant Pathology) a dense abnormal growth of shoots on a tree or other woody plant, usually caused by parasitic fungi of the genus Taphrina
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

witch′es'-broom`



n.
an abnormal, brushlike growth of small, thin branches on woody plants, caused esp. by fungi and viruses.
[1865–70]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.