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witches'-broom
[ wich-iz-broom, -broom ]
noun
, Plant Pathology.
- an abnormal, brushlike growth of small thin branches on woody plants, caused especially by fungi, viruses, and mistletoes.
witches'-broom
/ ˈwɪtʃˌbruːm /
noun
- a dense abnormal growth of shoots on a tree or other woody plant, usually caused by parasitic fungi of the genus Taphrina
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Word History and Origins
Origin of witches'-broom1
First recorded in 1865–70
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[tawr-choo-uhs ]
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