Meaning of the word "Act as" in English

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

Act as

US /ækt æz/
UK /ækt æz/

Phrasal Verb

to perform the function or role of someone or something

Example:
He will act as the temporary manager while she is on leave.
The small boat can act as a ferry for the islanders.