compressor

noun

1. A device that produces pressure, such as a gas compressor that produces pressurized gas.
2. A device that squeezes (compresses).
3. A device that squeezes (compresses).
4. A device that squeezes (compresses).

   “The compressor is mounted adjacent to the fuel tank and provides compressed air for operating the locomotive brakes, control gear, sanders and warning horns.”

5. A device that reduces the dynamic range of an audio signal.
6. A muscle that compresses certain parts.
7. A program or algorithm for compressing data.