sim ‧ ul ‧ cast /ˈsɪm ə lkɑːst $ ˈsaɪm ə lkæst/ BrE AmE verb ( past tense and past participle simulcast ) [transitive usually passive] American English
[ Date: 1900-2000 ; Origin: simultaneous + broadcast ]
to broadcast a programme on television and radio at the same time
—simulcast noun [countable]