What is the meaning of Tweet?

The sound of a bird; any short high-pitched sound or whistle.

An entry posted on the microblogging service Twitter.

An entry on any microblogging service.

To produce a short high-pitched sound, similar to that of certain birds.

To post an update to Twitter.

To post an update to any microblogging site.

used to represent the sound of a bird twittering: twit.

tweet (Twitter post)

tweet (Twitter post)

imperative of tweete

tweet (Twitter post)

tweet (Twitter post)

tweet (Twitter post)

tweet (Twitter post)

tweet (Twitter post)

tweet (Twitter post)

tweet (Twitter post)

Source: wiktionary.org