Streamer (noun)

1. A long strip of material, typically with a triangular or rectangular shape, that is flown in the wind, typically as a decoration or advertisement.
2. A long ribbon or piece of cloth that is flown in the wind as a decoration or symbol.
3. A flag or pennant flown from the masthead of a ship.

Origin:

Late middle english: from old french estremer "to stream", from latin extremitas "end", from ex- "out" + terminus "boundary, limit".

Examples:

1. The parade was filled with streamers and balloons.
2. She hung streamers from the ceiling for the party.
3. The ship flew a streamer as it sailed into port.
4. The athletes held streamers as they entered the stadium.
5. The streamers on the kite fluttered in the wind.