emergency duty
nounUK /ɪˈmɜː.dʒən.si ˈdjuː.ti/
US /ɪˈmɝː.dʒən.si ˈduː.ti/
A special job you do when there is a sudden problem that needs help right away.
The doctor was on emergency duty when the ambulance arrived.
OTHER MEANINGS
2. A scheduled shift where a worker must be ready to respond to urgent situations.
She has emergency duty at the hospital every other weekend.
3. The responsibility of handling sudden dangerous events, like fires or accidents.
Firefighters share emergency duty across the whole city.
4. A task given to someone during a sudden crisis, often outside normal hours.
He was called to emergency duty at the power station during the storm.