TWEET
tweet
(noun) a weak chirping sound as of a small bird
pinch, squeeze, twinge, tweet, nip, twitch
(verb) squeeze tightly between the fingers; “He pinched her behind”; “She squeezed the bottle”
tweet, twirp
(verb) make a weak, chirping sound; “the small bird was tweeting in the tree”
Source: WordNet® 3.1
Etymology
Noun
tweet (plural tweets)
The sound of a bird; any short high-pitched sound or whistle.
(Internet) An entry posted on the microblogging service Twitter.
Verb
tweet (third-person singular simple present tweets, present participle tweeting, simple past (internet, very rare) twote or tweeted, past participle (internet, very rare) twoten or tweeted)
(intransitive) To make a short high-pitched sound, like that of certain birds.
(ambitransitive, Internet) To post an update to Twitter.
Interjection
tweet
An onomatopoeic of bird singing.
Source: Wiktionary