Subtitle (titling)
WordNet
noun
(1) Secondary or explanatory title
(2) Translation of foreign dialogue of a movie or TV program; usually displayed at the bottom of the screen
verb
(3) Supply (a movie) with subtitles
WiktionaryText
Noun
- A heading below or after a title.
- Textual versions of the dialog in films, usually displayed at the bottom of the screen.
Usage notes
In film and video, subtitles usually translate foreign-language dialogue, while captions transcribe or describe all significant dialogue and sound for viewers who cannot hear it.