—v., -dubbed, -dub•bing,
to add other recorded sound or music, as a supplementary instrumental or vocal track, to a taped musical track to complete or enhance a recording.
to add (a track or tracks) to a musical recording.
a recorded segment or layer of instrumental parts, vocalization, or sound effects integrated into a musical recording.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.