processor -- (a business engaged in processing agricultural products and preparing them for market)
processor -- (someone who processes things (foods or photographs or applicants etc.))
central processing unit, CPU, C.P.U., central processor, processor, mainframe -- ((computer science) the part of a computer (a microprocessor chip) that does most of the data processing; "the CPU and the memory form the central part of a computer to which the peripherals are attached")