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Is irregardless a word?
a viral disease of birds that causes the feathers to become brittle and break off and the beak and claws to become soft.
a disease of trees caused by a fungus,
and characterized by a spongy or stringy trunk.
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Nearby words for feather rot
feather one's nest
feather one's own nest