[ verb oh-ver-duhb; noun oh-ver-duhb ]
/ verb ˌoʊ vərˈdʌb; noun ˈoʊ vərˌdʌb /

verb (used without object), o·ver·dubbed, o·ver·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.

verb (used with object), o·ver·dubbed, o·ver·dub·bing.

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.

Origin of overdub

First recorded in 1965–70; over- + dub4
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for overdub

/ (in multitrack recording) /

verb (ˌəʊvəˈdʌb) -dubs, -dubbing or -dubbed

to add (new sound) on a spare track or tracks

noun (ˈəʊvəˌdʌb)

the addition of new sound to a recording; the blending of various layers of sound in one recording
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012