verb (used with object), broad·cast or broad·cast·ed, broad·cast·ing.
- to transmit (programs) from a radio or television station.
- to speak, perform, sponsor, or present on a radio or television program: The president will broadcast his message on all stations tonight.
- to cast or scatter abroad over an area, as seed in sowing.
- to spread widely; disseminate: She broadcast the good news all over town.
- to indicate unwittingly to another (one’s next action); telegraph: He broadcast his punch and the other man was able to parry it.
verb (used without object), broad·cast or broad·cast·ed, broad·cast·ing.
- to transmit programs or signals from a radio or television station.
- to make something known widely; disseminate something.
- to speak, perform, sponsor, or present all or part of a radio or television program: The Boston Symphony Orchestra broadcasts every Saturday on our local station.
- something that is broadcast.
- a single radio or television program.
- the broadcasting of radio or television messages, speeches, etc.
- a single period of
- a method of sowing by scattering seed.
- (of programs) transmitted from a radio or television station.
- of or relating to broadcasting.
- cast abroad or all over an area, as seed scattered widely.
- so as to reach the greatest number of people by radio or television: The vital news was sent broadcast to inform the entire nation.
- so as to be cast abroad over an area: seed sown broadcast.
verb -casts, -casting, -cast or -casted
- to transmit (announcements or programmes) on radio or television
- (intr) to take part in a radio or television programme
- (tr) to make widely known throughout an areato broadcast news
- (tr) to scatter (seed, etc) over an area, esp by hand
- a transmission or programme on radio or television
- (as modifier)a broadcast signal
- the act of scattering seeds
- (as modifier)the broadcast method of sowing
- dispersed over a wide areabroadcast seeds
- far and wideseeds to be sown broadcast
1767, adjective, in reference to the spreading of seed, from(adj.) + past participle of (v.). Figurative use is recorded from 1785. Modern media use began with radio (1922, adjective and noun). As a verb, recorded from 1813 in an agricultural sense, 1829 in a figurative sense, 1921 in reference to radio.