he act of tweeting — that is, posting to Twitter — is now formally recognized as a part of the English language by the official arbiter of such things, the Oxford English Dictionary.
OED chief editor John Simpson announced the addition of the word — both as a noun and as a verb — in his June update.
Obviously the word “tweet” was in the dictionary before, dating back to at least 1851 as an imitative word for bird calls. But the definition has now been expanded to include its use to include: “To make a posting on the social networking service Twitter. Also: to use Twitter regularly or habitually.” It also includes its use as a noun for the messages.
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