Meaning of the word "safety valve" in English

What does "safety valve" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

safety valve

US /ˈseɪf.ti vælv/
UK /ˈseɪf.ti vælv/
"safety valve" picture

Noun

1.

a valve that opens automatically to relieve excessive pressure in a boiler or other container

Example:
The steam engine is equipped with a safety valve to prevent explosions.
Check the safety valve regularly to ensure it is not blocked.
2.

a way of giving vent to feelings of anger or excitement in a safe manner

Example:
For many people, sports serve as a safety valve for stress.
The protest provided a safety valve for the public's frustration.