Noun

1. A court order (i.e. signed by a judge) that gives a police the permission to enter private property and to search for evidence of the commission of a crime, for the proceeds of crime or property that the police suspect may be used to commit a crime. These court orders are obtained on the basis of a sworn statement by the requesting law enforcement officer and will precisely describe the place to be searched and, in some cases, the exact property being sought.

Noun

search warrant (plural search warrants)

1. (law) A court order in the form of a warrant, authorizing the search of a home and/or other privacy-protected place(s), notably to seek unlawful possessions, evidence etc. as part of a judicial inquiry
   
   Evidence found without a valid search warrant may be discarded by the courts as null and void