معنی کلمه flag

a piece of cloth, usually rectangular and attached to a pole at one edge, that has a pattern that shows it represents a country or a group, or has a particular meaning:
Flags of all the participating countries are flying outside the stadium.
Flags were flapping/fluttering in the breeze.
The guard waved his flag and the train pulled away from the station.

More examples

It's a crime to desecrate the country's flag.
You're not allowed to swim when the red flag is flying.
The palace flags were all flying at half-mast.
There were flags on the tops of many of the buildings.
A flag fluttered from a 40-foot pole.

a piece of cloth with a coloured pattern or picture on it that represents a country or organization

linesman flag = ورزش : پرچم خط نگهدار

national flag = پرچم ملى

a flag half = پرچم نيمه افراشته

پرچم‌، بيرق‌، علم‌، دم‌ انبوه‌ وپشمالوي‌ سگ‌، زنبق‌، برگ‌شمشيري‌، سنگ‌ فرش‌، جاده‌ سنگ‌ فرش‌، پرچم‌ دار كردن‌،پرچم‌ زدن‌ به‌، باپرچم‌ علامت‌ دادن‌، سنگفرش‌ كردن‌،پايين‌افتادن‌، سست‌ شدن‌، از پا افتادن‌، پژمرده‌ كردن‌

decorate with flags; signal, warn;

lose energy or momentum; become weak

banner, pennant; paving stone;

I couldn't find the single red flat.