Dictionary

A machine that tabulates the amount of sales transactions, makes a permanent and cumulative record of them, and has a drawer in which cash can be kept.

A point of sale.

A formal recording of names, events, transactions etc.

Example: The teacher took the register by calling out each child's name.

A book of such entries.

An entry in such a book.

The act of registering.

To enter in a register.

To enroll, especially to vote.

To record, especially in writing.

To buy the full version of trial software by providing one's details and payment.

Example: This is a trial version, and will expire in 30 days. Please register!