probable cause 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.
Law reasonable grounds for presuming guilt in someone charged with a crime
probable cause definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Reasonable grounds for belief that an accused person may be subject to arrest or the issuance of a warrant.
probable cause - Legal Definition
A necessary element of a legitimate arrest or legal search and seizure; a reasonable ground to believe that someone is committing or has committed an offense. It must amount to more than just suspicion, but need not rise to the level of evidence justifying conviction, according to Fourth Amendment to the United States Constitution.