lusus naturae[lo̵̅o̅′səs nə to̵or′ē]
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a sport of nature; freak of nature
Used by arrangement with John Wiley & Sons, Inc.
lusus naturae - Medical Definition
The American Heritage® Medical Dictionary Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A conspicuous congenital abnormality.