Meaning of the word "serve as" in English

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

serve as

US /sɜrv æz/
UK /sɜːv æz/

Phrasal Verb

to function or act as something; to fulfill the role of something

Example:
This old blanket can serve as a makeshift curtain.
His experience will serve as a valuable lesson for others.