Meaning of the word "what does" in English

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

what does

US /wʌt dʌz/
UK /wɒt dʌz/

Phrase

used to ask for the meaning or definition of something

Example:
What does 'ephemeral' mean?
What does this button do?