WordNet (r) 3.0 (2006):

newscast
    n 1: a broadcast of news or commentary on the news

Moby Thesaurus II by Grady Ward, 1.0:

25 Moby Thesaurus words for "newscast":
   beam, broadcast, canned show, commercial, commercial program,
   electrical transcription, network show, radiate, radio, radio fare,
   radiobroadcast, rebroadcast, rerun, send, serial, shortwave,
   sign off, sign on, soap opera, sound effects, sportscast,
   sustainer, taped program, transmit, wireless