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1.
An interface that DJs use in conjunction with turntables or cd decks. This allows DJs to use their laptop/harddrive as their source for music rather than cds or vinyl records.
Music Noob: "Hey look! How come every DJ I see uses a laptop nowadays?"

DJ: "It's not just the laptop, it's Serato! That's what all the real DJs are using for their music."
by DJ Twigz March 15, 2009