compressor

noun8

1. •
   A device that produces pressure, such as a gas compressor that produces pressurized gas.
2. •
   A device that squeezes (compresses).
3. •
   An instrument for compressing an artery (especially the femoral artery) or other part.
4. •
   An apparatus for confining or flattening between glass plates an object to be examined with the microscope; a compressorium.
5. •
   A machine for compressing gases, especially an air compressor.

   • The compressor is mounted adjacent to the fuel tank and provides compressed air for operating the locomotive brakes, control gear, sanders and warning horns. — 1958
6. •
   A device that reduces the dynamic range of an audio signal.
7. •
   A program or algorithm for compressing data.
8. •
   A muscle that compresses certain parts.