Definition of "narrowcast"

narrowcast

verb
third-person singular simple present narrowcasts, present participle narrowcasting, simple past and past participle narrowcast or narrowcasted
1. To transmit a programme to selected individuals or groups, especially via cable.
2. To send out a message or disseminate information to a specific narrow audience rather than the general public.
  Quotations
  As much as Israeli media outlets and politicians are narrowcasting their ideologies every day, Israel’s emerging blended society is on full display every night on prime-time TV — an ultra-Orthodox female celebrity chef on one channel, an Israeli Druze female celebrity chef on another, an Israeli Arab star journalist on another.
  2023 June 6, Thomas L. Friedman, “From Tel Aviv to Riyadh”, in The New York Times‎
3. (medicine) To transmit a medical intervention to a specific organ or type of tissue.
  Quotations
  Cancer therapies can be narrowcasted to the unique genetic signature of a tumor instead of poisoning every dividing cell in the body.
  2018, Steven Pinker, Enlightenment Now: The Case for Reason, Science, Humanism, and Progress
noun
plural narrowcasts
1. A programme transmitted in this manner.