What is regisitor?

Register

A place or thing in which registers are kept.

A book in which births, deaths, or marriages are officially registered.

An official list or record of something, such as voters or property.

A device used to record or indicate something, such as a cash register or a temperature register.

A quantity or amount of something that has been registered or recorded.

(in a computer) a location in a processor that can store a datum.