Broadcasting

the act of transmitting speech, music, visual images, etc., as by radio or television.
radio or television as a business or profession:
She’s training for a career in broadcasting.
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.
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 broadcasting.
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.
Contemporary Examples

Kevin Trudeau, the Pitchman the Feds Can’t Stop Winston Ross September 20, 2013
CPAC Defiant in Obama Era Howard Kurtz March 13, 2013
The Best Super Bowl Halftime Shows Marina Watts February 1, 2014
Reboot America! Participants The Daily Beast September 23, 2010
The Story Behind That Incredibly Riveting Video of the D.C. Car Chase Ben Jacobs October 3, 2013

Historical Examples

Plague Ship Andre Norton
Sundry Accounts Irvin S. Cobb
Report of the Special Committee on Moral Delinquency in Children and Adolescents Oswald Chettle Mazengarb et al.
Skylark Three Edward Elmer Smith
Cogito, Ergo Sum John Foster West

verb -casts, -casting, -cast, -casted
to transmit (announcements or programmes) on radio or television
(intransitive) to take part in a radio or television programme
(transitive) to make widely known throughout an area: to broadcast news
(transitive) to scatter (seed, etc) over an area, esp by hand
noun

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

adjective
dispersed over a wide area: broadcast seeds
adverb
far and wide: seeds to be sown broadcast
n.