Meaning of the word "Formal wear" in English

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

Formal wear

US /ˈfɔːrməl wɛr/
UK /ˈfɔːməl wɛə/

Noun

clothing suitable for formal occasions, such as weddings, galas, or other special events

Example:
Guests are requested to wear formal wear to the charity ball.
He rented a tuxedo for the event, as formal wear was required.