(transitive, intransitive, Internet, sometimes proscribed) To tweet; to post an update to Twitter.

(trademark) An online social networking service that enables users to send and read short messages (280 characters; originally 140).

(Internet, informal, countable) A user account belonging to the above service. / (Internet, informal, uncountable, in the form […] Twitter) A community on Twitter.

One who, or that which, twitters. / Alternative letter-case form of Twitterer

plural of twitterer

plural of twitter

simple past tense and past participle of twitter

Third-person singular simple present indicative form of twitter

The sound of a succession of chirps as uttered by birds. / A tremulous broken sound. / A slight trembling of the nerves.

(intransitive) To utter a succession of chirps. / (intransitive, transitive) (of a person) To talk in an excited or nervous manner. / To make the sound of a half-suppressed laugh; to titter; to giggle.