n., pl., -ses (-sēz).
- A highly infectious, usually fatal disease of rabbits that is caused by a pox virus and is characterized by many skin tumors similar to myxomas.
- A condition characterized by the growth of many myxomas.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.