speaker
Definitions
A person who speaks, especially one who delivers a formal speech or address.
An electroacoustic transducer that converts electrical signals into sound.
A person who speaks a particular language, especially as a native.
Examples
The keynote speaker delivered an inspiring message to the graduating class.
I need to buy a new Bluetooth speaker for my living room.
Synonyms
orator lecturer spokesperson talker presenter keynote speaker rhetorician