1. small loudspeakers designed to reproduce high-frequency sounds
Usage: audio equipment
2. people who post messages on Twitter
Usage: informal; social media

Examples

• The stereo system has powerful woofers and crisp tweeters.
• These tweeters deliver excellent high-frequency response.
• The car’s audio system includes separate tweeters in the doors.
• Many tweeters shared their opinions about the news.
• Active tweeters often gain large followings.
• The platform attracts millions of tweeters worldwide.