reel-to-reel noun1 •A machine that records sound onto, or plays sound from, tape wound on one reel, by feeding it through to another reel.Costume changes performed with poise / Dancing in formation with a couple of boys / I take them on the road with my reel-to-reels / I'm an artist, honey, you know how that feels? — 1996 formsreel-to-reels