Definition of compressor

• n. - Anything which serves to compress
• n. - A muscle that compresses certain parts.
• n. - An instrument for compressing an artery (esp., the femoral artery) or other part.
• n. - An apparatus for confining or flattening between glass plates an object to be examined with the microscope; -- called also compressorium.
• n. - A machine for compressing gases; especially, an air compressor.