Definition of supercharger
: a device (as a blower or compressor) for pressurizing the cabin of an airplane or for increasing the volume air charge of an internal combustion engine over that which would normally be drawn in through the pumping action of the pistons
First Known Use of supercharger
Seen and Heard
What made you want to look up supercharger? Please tell us where you read or heard it (including the quote, if possible).