processor

Etymology

Recorded since 1909, from process + -or.

noun

1. A person or institution who processes things (foods, photos, applications, etc.).
   He is a loan processor with a bank.
2. A device which processes, which changes something (a computer processor, food processor, etc.).
   The food processor shredded the vegetables.
3. A central processing unit.
   This mainframe's processor is fast.
4. A microprocessor.
   This computer has two processors, but only one keyboard.