simulcast
🇺🇸
/ˈsaɪmlkæst/
🇬🇧
/ˈsɪmlkɑːst/
to broadcast something at the same time on multiple platforms
The concert will be simulcast on TV and the radio so everyone can enjoy it.
a broadcast that is shown or heard on multiple platforms at the same time
The sports event was a huge success, with millions of viewers tuning in to the simulcast on TV and online.