ring up phrasal verb ( see also ↑ ring )
1 . British English to telephone someone SYN call (somebody) up
ring somebody ↔ up
I’ll ring the manager up tomorrow.
I rang up and made an appointment.
2 . ring something ↔ up to press buttons on a ↑ cash register to record how much money is being put inside:
The cashier rang up £300 by mistake.