Meaning of the word "touch off" in English

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

touch off

US /tʌtʃ ɔf/
UK /tʌtʃ ɒf/

Phrasal Verb

to cause something to happen, especially something bad or violent

Example:
The incident could touch off a major international crisis.
The announcement touched off a wave of protests.