broadcaster

Meanings

1. A machine used to broadcast or spread seeds, fertilizer, etc.
2. A person who sows seeds by scattering; also, one who promotes sowing seeds in this manner instead of by drilling (“making holes in the soil and placing seeds in them”).
3. A piece of equipment used to transmit audio and/or video content, or messages, to be received by radios or televisions, over the internet, etc.
4. An organization or station that engages in the activity of such broadcasting.
5. A person whose job it is to effect such broadcasts; specifically, one who presents radio or television programmes (especially documentaries or news programmes); a presenter.
6. A piece of equipment used to transmit data over a computer network.

Etymology

From broadcast (“to transmit a message or signal through radio waves or electronic means”) + -er (suffix forming agent nouns).