Webster's Revised Unabridged Dictionary · 1913

Babble

Babble (bab"b'l) , intransitive verb

[Compare LG. babbeln, Dutch babbelen, German bappeln, bappern, French babiller, Italian babbolare; prob. orig., to keep saying ba, imitative of a child learning to talk.]

1.
To utter words indistinctly or unintelligibly; to utter inarticulate sounds; as a child babbles.
2.
To talk incoherently; to utter unmeaning words.
3.
To talk much; to chatter; to prate.
4.
To make a continuous murmuring noise, as shallow water running over stones.
In every babbling brook he finds a friend. — Wordsworth

Hounds are said to babble, or to be babbling, when they are too noisy after having found a good scent.

Babble , transitive verb

1.
To utter in an indistinct or incoherent way; to repeat, as words, in a childish way without understanding.
These [words] he used to babble in all companies. — Arbuthnot
2.
To disclose by too free talk, as a secret.

Babble , noun

1.
Idle talk; senseless prattle; gabble; twaddle.
This is mere moral babble. — Milton
2.
Inarticulate speech; constant or confused murmur.
The babble of our young children. — Darwin
The babble of the stream. — Tennyson