someone who broadcasts on radio or television
"The local broadcaster announced that the station would switch to emergency programming during the storm warning."
a mechanical device for scattering something (seed or fertilizer or sand etc.) in all directions
"After the storm, the city crews used a heavy-duty broadcaster to spread salt across the icy intersections."
An organisation that engages in the activity of broadcasting.
"The local broadcaster announced its new community programming schedule for next month."