Meaning of the word "alarm bell" in English

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

alarm bell

US /əˈlɑːrm bɛl/
UK /əˈlɑːm bɛl/

Noun

1.

a bell that rings to warn people of danger or an emergency

Example:
The fire alarm bell rang loudly, signaling an evacuation.
He installed an alarm bell on his bicycle to warn pedestrians.
2.

a warning sign or indication of a potential problem or danger

Example:
The sudden drop in sales set off an alarm bell for the company's management.
His evasive answers raised an alarm bell in her mind.