Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: antivirus  ,an-ti'vI-rus
  1. A computer program that checks a computer for viruses and prevents their spread
    "The software contains basic antivirus protection for your computer";
    - anti-virus program

Type of: computer program, computer programme [Brit], program, programme [Brit, Cdn]

Encyclopedia: Antivirus