- An object, usually with a circular cross section, around which something is rolled or wound. For example, a reel upon which a magnetic tape, film, wire, cable, or other flexible material is wound. Also called spool (1).
- A reel (1) including that which is wrapped around it. Also called spool (3).
- noun the amount of cinema film stored on one reel
- noun a revolving device around which something such as thread, film or wire can be wound for storage