1a long, narrow strip of material used as a decoration or symbol:plastic party streamers figurativea streamer of smoke
[usually as modifier] a banner headline in a newspaper:a streamer head in the student paper
[usually as modifier] Fishing a fly with feathers attached:a streamer fly
Astronomy an elongated mass of luminous matter, e.g. in aurorae or the sun’s corona:above active sunspot regions coronal streamers may travel 140 million km into space
