captionsonscreen

noun
UK /ˈkæpʃənz ɒn skriːn/
US /ˈkæpʃənz ɑːn skriːn/

Words shown at the bottom of a screen that tell you what people are saying.

The captions on screen helped me understand the movie in a noisy room.


OTHER MEANINGS

2. Text that describes sounds and music for people who cannot hear.

The captions on screen noted that a door slammed loudly.

3. Words displayed during a live broadcast to show what is being said.

The news used captions on screen during the emergency report.

4. A feature you can turn on or off on a TV or video player.

She turned on the captions on screen before watching the show.