tweeter

An electronic speaker designed to produce high-frequency sound.

One who or that which makes a tweeting noise.

The little tweeter birds that had kept her company this morning were now absent, leaving nothing but the whisper of the trees as a light breeze gently wandered by.

One who posts messages ("tweets") on the social networking site Twitter.

The latest addition to these daily outpourings are suggested tweets to circulate. Fortunately I am not a tweeter, so I swiftly delete all these unread.

A poster on a microblogging social networking service.

Alternative letter-case form of tweeter (“Twitter user”).

Government attempts to hunt down the bloggers and Tweeters were hampered when international supporters changed their Twitter settings to say they were all in Tehran, making it almost impossible for Iranian officials to sort through the traffic.

Jim Irsay, Indy’s top Tweeter