plug in

/plʌɡɪn/
adjective
  1. Designed to be connected to an electrical system or to add functionality by connecting.
    • The plug-in heater is easy to install in any room.
    • She drives a plug-in hybrid car that runs on both gas and electricity.
    • These plug-in modules make the system more flexible.
noun
  1. A small piece of software that adds new features to a larger computer program.
    • I installed a photo editing plug-in for my web browser.
    • This music production software has hundreds of plug-ins for different sounds.
    • The grammar plug-in checks your writing as you type.
  2. A device that connects to an electrical outlet to provide power or a function.
    • The car's plug-in charger lets you recharge the battery at home.
    • This plug-in adapter allows you to use foreign appliances in the US.
    • We bought a plug-in air freshener for the living room.
What does "plug in" mean? | whatsthatwordmean | whatsthatwordmean