The meaning of Punch-in

collocation

Register one's arrival at work

phrasal verb

Enter information by pushing a button or key on a machine.

Usage examples:

He crossed to the vdu on his other desk and punched in a series of numbers

phrasal verb

Register one's arrival at work, especially by means of a time clock.

Usage examples:

She couldn't punch in, because there were no time clocks

phrasal verb

To use a special clock to record the time you start working

Usage examples:

I punched in on the time clock., trev lifted the receiver and punched in the telephone number.

phrasal verb

To begin work, especially by recording the time you arrive at work on a special machine

Usage examples:

I've been punching in late all this week.