res ipsa loquitur[ip′sə läk′wə tər]
res ipsa loquitur definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the thing speaks for itself
Origin: Classical Latin
res ipsa loquitur - Legal Definition
The thing speaks for itself. An evidentiary rule in torts that the very fact that an accident occurred is enough to provide a prima facie case of negligent behavior. Rear-ending another automobile is an example, showing failure to maintain a safe distance on the part of the rear-ender.