call off

US /kɔːl ˈɔːf/
UK /kɔːl ˈɔːf/
"call off" picture
1.

to cancel something; to decide that something will not happen

:
They had to call off the outdoor concert due to heavy rain.
Let's call off the meeting and reschedule for next week.
2.

to order a person or animal to stop attacking or chasing someone or something

:
The police officer had to call off his dog when the suspect surrendered.
Please call off your attack dogs; they're terrifying my children.