noun
plural flags
[count] a piece of cloth with a special design that is used as a symbol of a nation or group
To fly/show/wave the flag is to display the flag of your country as a sign of patriotism.
a piece of cloth used as a signal or to attract attention
verb
flags; flagged; flagging
[+ obj] to signal (someone or something that is moving past you) to stop especially by raising or waving your hand
to mark (something, such as a page or section of a book) so that it can be easily seen or found
American football :to signal that you are giving a penalty to (a player) by throwing a penalty flag
verb
flags; flagged; flagging
[no obj]
to become weak
to become less interesting, attractive, or valuable
noun
plural flags
[count] :flagstone - compare 1flag
US