1. A long, narrow flag, or piece of material used or seen as a decoration.
  2. Strips of paper or other material used as confetti.
  3. A newspaper headline that runs across the entire page.
  4. A data storage system, mainly used to produce backups, in which large quantities of data are transferred to a continuously moving tape.
  5. Any mechanism for streaming data.
    a video streamer
  6. In fly fishing, a variety of wet fly designed to mimic a minnow.
  7. One who searches for stream tin.
  8. A stream or column of light shooting upward from the horizon, constituting one of the forms of the aurora borealis.

The above text is a snippet from Wiktionary: streamer
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