Overdub

These days recording an album is a complicated and fiddly business so overdubbing (adding extra recorded sound to a song, especially in order to heighten the total effect) is essential. Overdubbing has led to additional practices. These include 'tracking,' where the ensemble arrangement gets recorded first and then the improvised solos are taped an...
Found on http://www.bbc.co.uk/radio2/soldonsong/glossary/o.shtml

Overdub

the ability to record one sound on top of another. Adding something to a previous recording, so that the two (or more) parts may be subsequently played together as a synchronous whole. A part of Multitrack Recording. Enables one or more of previously recorded tracks to be monitored while simultaneously recording one or more signals onto other track...
Found on http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl
No exact match found