Nouns

(n)broadcastmessage that is transmitted by radio or television
(n)broadcast, program, programmea radio or television show“did you see his program last night?”

Verbs

(v)air, send, broadcast, beam, transmitbroadcast over the airwaves, as in radio or television“We cannot air this X-rated song”
(v)broadcastsow over a wide area, especially by hand“broadcast seeds”
(v)circulate, circularize, circularise, distribute, disseminate, propagate, broadcast, spread, diffuse, disperse, pass aroundcause to become widely known“spread information”, “circulate a rumor”, “broadcast the news”