Main Entry: ¹twit·ter

Pronunciation: \ˈtwi-tər\

Function: verb

Etymology: Middle English twiteren; akin to Old High German zwizzirōn to twitter

Date: 14th century

intransitive verb 1 : to utter successive chirping noises
2 a : to talk in a chattering fashion b : giggle, titter
3 : to tremble with agitation : fluttertransitive verb 1 : to utter in chirps or twitters <the robin twittered its morning song>
2 : to shake rapidly back and forth : flutter