Definition of voice-over in English:

voice-over

Syllabification: voice-o·ver

noun

A piece of narration in a movie or broadcast, not accompanied by an image of the speaker.
More example sentences
  • The intrigue is accompanied by a voice-over commentary, just in case you don't understand, and haphazard flashbacks to remind you of her traumatic childhood.
  • There is no dialogue, but a pompous voice-over narration explains everything that is going on, just in case we are too dim to figure it out.
  • On the actual broadcast, voice-overs and promos pretty much ruined the piece.

Definition of voice-over in: