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Webster 1913 Edition

Noun.

[A reduplication of

babble

Idle talk; babble.

Shak.

Noun.

Idle talk; prating to no purpose. [A low word, and not used.]

See also: bibblebabble

bibble-babble ‎(countable and uncountable, plural bibble-babbles)

Idle talk; babble.
(Can we find and add a quotation of Shakespeare to this entry?)