Processor

A processor is the part of a computer that interprets commands and performs the processes the user has requested.
A component of a computer that processes data
specifically : CPU.

A central processing unit (CPU), also called a central processor, main processor or just processor, is the electronic circuitry within a computer that executes instructions that make up a computer program. The CPU performs basic arithmetic, logic, controlling, and input/output (I/O) operations specified by the instructions in the program. The computer industry used the term "central processing unit" as early as 1955.

Sources:

Англійський словник Коллінза, електронний ресурс: https://www.collinsdictionary.com/

Словник Webster's Dictionary https://www.merriam-webster.com/

Weik, Martin H. (1961). "A Third Survey of Domestic Electronic Digital Computing Systems". Ballistic Research Laboratory.