1. To make a succession of small, tremulous, intermitted noises. The swallow twittering from the straw-built shed. Gray.

2. To make the sound of a half-suppressed laugh; to titter; to giggle. J. Fletcher.

3. Etym: [Perhaps influenced by twitch.]

Defn: To have a slight trembling of the nerves; to be excited or agitated.

TWITTER
Twit"ter, v. t.

Defn: To utter with a twitter. Cowper.

TWITTER
Twit"ter, n.

1. The act of twittering; a small, tremulous, intermitted noise, as that made by a swallow.

2. A half-suppressed laugh; a fit of laughter partially restrained; a titter; a giggle. Hudibras.

3. A slight trembling or agitation of the nerves.