The act of twittering; a small, tremulous, intermitted noise, as that made by a swallow
When birds twitter, they make a lot of short high-pitched sounds. There were birds twittering in the eucalyptus trees. a tree filled with twittering birds. Twitter is also a noun. Naomi would waken to the twitter of birds
A half-suppressed laugh; a fit of laughter partially restrained; a titter; a giggle
If you say that someone is twittering about something, you mean that they are speaking about silly or unimportant things, usually rather fast or in a high-pitched voice. debutantes twittering excitedly about Christian Dior dresses She laughs, blushes and twitters: `Oh, doesn't Giles have just the most charming sense of humour?'