noun anything which serves to compress.
2. compressor ·noun a muscle that compresses certain parts.
3. compressor ·noun a machine for compressing gases; especially, an air compressor.
4. compressor ·noun an instrument for compressing an artery (·esp., the femoral artery) or other part.
5. compressor ·noun an apparatus for confining or flattening between glass plates an object to be examined with the microscope;
called also compressorium.