What is meant by twitter?

[Keerthiga]

[shilan]

(of a bird) to make a series of short high sounds
I was woken up in the early hours by a bird twittering just outside my window.

[Madhu]

Twitter in a definition means a kind of nervous laughter, usually high-pitched,
also,a state of nervous agitation

[Jonathan]

Twitter is like a social media site.But much different from other social networking site.Here u get to know different ideas,updates (of all countries)It will help u in Ur professional field.If you are working u get in touch with different high profile companies,their Hr are present.A good place for entertainment as many celebrities have their own profile.U profile get points when you follow Ur superior profile.In one sentence , under one roof all are available. So go and make a account and enjoy...

[sky boy]

(of a bird) Give a call consisting of repeated light tremulous sounds.

and now twitter is famous as an online social networking service and microblogging service that enables its users to send and read text-based messages of up to 140 characters, known as "tweets".

my twitter id : http://www.twitter.com/niyazsky