1. a long, narrow strip of material used as a decoration or symbol: "plastic party streamers"
▪ a banner headline in a newspaper: "a streamer head in the student paper"
▪ a fly with feathers attached: "a streamer fly"
▪ 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"