tweet
noun
[ twiːt ]
• the chirp of a small or young bird.
• "the gentle tweet of a bird can be heard"
• a post made on the social media application Twitter.
• "he started posting tweets via his mobile phone to let his parents know he was safe"
tweet
verb
• make a chirping noise.
• "the birds were tweeting in the branches"
• make a post on the social media application Twitter.
• "she talks about her own life, but she's just as likely to tweet about budget cuts and Keynesian economics"
Origin:
mid 19th century: imitative.