The term "reel" has several meanings depending on its context.
1) In fishing, a reel is a device used to hold and pay out the line that connects you with your catch. It can also refer to the spool of line on which the line is wound.
2) In film or cinema, "reel" refers to one of several short films (usually between 8-15 minutes in length) that make up a feature-length movie. A reel may also be used as a noun to describe an individual segment within a larger collection of media such as video tapes or DVDs.
3) In the world of sports, "reeling" is a term often used when describing a sudden and dramatic change in momentum or direction. For example, if one team scores several goals quickly, they may be said to have "reelled off four unanswered goals."
4) Finally, "reel" can also refer to any long, narrow strip of material wound into a roll for easy handling and storage - such as the paper on a printer or the ribbon in a typewriter.