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witches'-besom

American

[wich-iz-bee-zuhm] / ˈwɪtʃ ɪzˌbi zəm /

noun

Plant Pathology.

witches'-broom.

Etymology

Origin of witches'-besom

First recorded in 1865–70

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.