Meaning of the word "fill in for" in English

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

fill in for

US /fɪl ɪn fɔːr/
UK /fɪl ɪn fɔː/
"fill in for" picture

Phrasal Verb

to do someone's job for a short period of time because they are not there or are unable to do it

Example:
I'm filling in for Joe while he's on vacation.
Could you fill in for me at the meeting tomorrow?