noun / verb
flag
FLAG/flæɡ/
A visible emblem or marker used to signal something.
The Japanese flag billows gently, its red disc visible against white cloth.

Etymology
The origin is unknown, but the noun likely relates to a verb meaning “flap” or independently imitates that motion. Either possibility evokes the cloth fluttering in the wind.
In context
But this rainbow flag represents more freedoms and equality than any country, state, or local flag combined. It symbolizes our entire mission statement, sometimes called the gay agenda.
More examples
- Fans wave their country's flag after the team wins.
- The editor flagged two errors in the report.
- She waves her arm to flag down a taxi.
Forms
flag · flags · flagged · flagging