Possible Definitions:
1. Jabber (v. i.) To talk rapidly, indistinctly, or unintelligibly; to utter gibberish or nonsense; to chatter.
2. Jabber (v. t.) To utter rapidly or indistinctly; to gabble; as, to jabber French.
3. Jabber (n.) Rapid or incoherent talk, with indistinct utterance; gibberish.
4. Jabber (n.) One who jabbers.