flag

/flæg/ noun [C]

Definition

› a piece of cloth, usually rectangular and fixed to a pole at one edge, that has a pattern that shows it represents a country or a group, or has a particular meaning: a container ship sailing under the Indonesian flag

› a mark that you put on or against something to show that it is important: You can put a flag on any email message that you know you will need to go back to and read again.

fly the flag › to show support for the country, group, or organization that you belong to: The government was accused of failing to fly the flag for British farmers at the negotiations.

(Definition of flag noun from the Cambridge Business English Dictionary © Cambridge University Press)