Meaning of the word "square bracket" in English

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

square bracket

US /ˈskwɛr ˌbrækɪt/
UK /ˈskweə ˌbrækɪt/

Noun

either of a pair of marks [ ] used in writing and printing to enclose words or figures so as to separate them from the rest of the text

Example:
Please put the additional information in square brackets.
The editor added a clarification in square brackets.