The term 'LONG FLAG' can be solved by two crossword solutions: 'STREAMER' (8 letters) and 'PENNON' (6 letters). A STREAMER is a long, thin flag that is often used to decorate a parade float or a ship's mast. It is usually made of fabric or paper and is attached to a pole or rope. A PENNON is a long, narrow flag that is typically flown from the top of a pole or staff. It is usually triangular in shape and is often used to signify rank or authority.