secondscreen
nounUK /ˈsek.ənd skriːn/
US /ˈsek.ənd skriːn/
A second screen is another screen you use while watching something on a big screen.
She looked at her phone as a secondscreen while the movie played on TV.
RELATED WORDS
OTHER MEANINGS
2. A small screen used alongside a main screen to show extra information.
The app sends fun facts to your secondscreen during the show.
3. A device like a phone or tablet used while watching TV to look things up or chat.
He used his tablet as a secondscreen to chat with friends about the game.
4. An additional monitor connected to a computer.
She set up a secondscreen to see more windows at once.