v. & n.
v. 1 intr. (of or like a bird) emit a succession of light tremulous sounds. 2 tr. utter or express in this way.
n. 1 the act or an instance of twittering. 2 colloq. a tremulously excited state. twitterer n. twittery adj.
[ ME, imit.: cf. -ER(4) ]