Definitions
1.AdjectiveCast or scattered widely in all directions; cast abroad."The seed was broadcast, not drilled."
2.AdjectiveCommunicated, signalled, or transmitted to many people, through radio waves or electronic means.
3.AdjectiveRelating to transmissions of messages or signals to many people through radio waves or electronic means.
4.AdverbWidely in all directions; abroad.
5.AdverbBy having its seeds sown over a wide area.
6.NounA transmission of a radio or television programme intended to be received by anyone with a receiver.
7.NounA programme (bulletin, documentary, show, etc.) so transmitted."The DJ was feeling nervous before his first national broadcast."
8.NounThe act of scattering seed; a crop grown from such seed.
9.VerbTo transmit a message or signal through radio waves or electronic means.
10.VerbTo transmit a message over a wide area.
To send an email in a single transmission to a (typically large) number of people.
11.VerbTo send an email in a single transmission to a (typically large) number of people.
12.VerbTo appear as a performer, presenter, or speaker in a broadcast programme.
13.VerbTo sow seeds over a wide area.