Try Our Apps
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. 2017.
Cite This Source
Discover our greatest slideshows
Words Built For Speed
Hasta la Vista! 8 Goodbyes Worth...
14 Thought-Provoking Quotes About...
Should I use ALL-CAPS?
Browse more topics on our blog
What Is the Difference Between Discreet and Discrete?
Learn the correct uses of these two commonly confused homophones.
What Character Was Removed from the Alphabet?
What mistaken pronunciation gave this character its name?
This small mark has two primary uses: to signify possession or omitted letters.
How Do I Get a Word into the Dictionary?
People invent new words all the time, but which ones actually make it?
Word of the Day
Difficulty index for
Few English speakers likely know this word
Word Value for
Words With Friends
Nearby words for feather rot
feather one's nest
feather one's own nest