feather rot
Americannoun
Pathology.
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a viral disease of birds that causes the feathers to become brittle and break off and the beak and claws to become soft.
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a disease of trees caused by a fungus, Poria subacida, and characterized by a spongy or stringy trunk.
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.
