broadcaster
US /ˈbrɑːdˌkæs.tɚ/
UK /ˈbrɑːdˌkæs.tɚ/

1.
a person whose job is to present or talk on radio or television programs
:
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The veteran broadcaster delivered the news with authority.
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She dreams of becoming a famous sports broadcaster.
2.
an organization that transmits radio or television programs
:
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The national broadcaster announced a new series of documentaries.
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Many local broadcasters are struggling financially.