Definition of reels:
(n) :
A kind of spool, turning on an axis, on which yarn, threads, lines, or the like, are wound.
(n) :
(social media, sometimes capitalized) A chronological collection of pictures or short videos published by a user on an app or website and typically only available for a short period.
(n) :
(dance) A lively dance originating in Scotland.
(n) :
(music) The music of this dance; often called a Scottish (or Scotch) reel.
(n) :
(film) A short compilation of sample film work used as a demonstrative resume in the entertainment industry.
(v) :
To wind on a reel.