n. 25B6; verb PRATTLE, babble, ramble, drivel, jabber, gabble, burble, twitter, flannel, mutter, mumble; informal yammer, blabber, jibber-jabber, blather, blether; Brit. informal witter, chunter.
GIBBER
Meaning of GIBBER in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012