Tweeter (noun)

1. A small speaker in a stereo or home theater system that reproduces high-frequency sounds, typically between 2 and 20 kHz.
2. A person who frequently uses the social media platform Twitter to send short messages or tweets.

Origin:

From the word "tweet" meaning a short message sent on social media.

Examples:

1. The new tweeter in the speaker system improved the overall sound quality.
2. He replaced the damaged tweeter in his car's sound system.
3. The tweeter was responsible for reproducing the high-frequency sounds in the music.
4. The tweeter was an active user on Twitter, frequently posting updates and thoughts.
5. The tweeter had a large following on Twitter, and was known for their witty comments and observations.