Definition of overdub
verb
Pronunciation:
/ˌōvərˈdəb/ (overdubs, overdubbing, overdubbed) record (additional sounds) on an existing recording: [with object]:she’d overdub her parts for a whole album in a single session [no object]:a live tape that I overdubbed on
noun
Pronunciation:
/ˈōvərdəb/ an instance of overdubbing:a guitar overdub