B-reel

== English == === Alternative forms === B reel === Noun === B-reel (usually uncountable, plural B-reels) (television, film, music) The second piece of film or audio or video tape in a situation (as editing or broadcasting) where multiple inputs are used. (television, film) Secondary or supplemental footage to be intercut with principle film or video. Synonym: B roll === See also === second unit reel