Broadcast

v.
  1. to cast or disperse in all directions, as seed from the hand in sowing; to diffuse widely.
  2. to transmit (sounds, images, or other signals) in all directions from a radio or television station.
  3. to disseminate (information, a speech, an advertisement, etc.) from a radio or television station.
  4. to spread (information, news, gossip) widely by any means.