sirens
n. countable B1 Intermediate US //ˈsaɪɹənz// UK //sˈaɪəɹənz// sirens
n. loud, high-pitched warning sounds made by emergency vehicles like police cars or ambulances. You hear them when there is an emergency and people need to move out of the way.
n. acoustic signaling devices that produce a loud, piercing sound as a warning or signal. Often used by emergency services or as civil defense alarms.
The loud sirens woke me up in the middle of the night.
As the ambulance approached the busy intersection, its sirens grew louder to warn drivers to pull over.
The distant wail of air-raid sirens served as a chilling reminder of the city's vulnerability during the height of the conflict.
Usage
Commonly used in the plural when referring to the general noise of emergency traffic in a city.