<p><strong>Noun</strong></p><ul><li>a weak chirping sound, as of a young or small bird.</li><li>Digital Technology: a message posted on the Twitter social media service and website; the message may include text, links, photos, or videos.</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) to make a weak chirping sound.</li><li>Digital Technology: to post a message on Twitter; She tweets a lot about movies.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) Digital Technology: to post (a message) on Twitter for (people) to read; He tweeted his fans after the event.</li></ul>