babble

fe’l verb

1. To utter words indistinctly or unintelligibly; to utter inarticulate sounds The men were babbling, so we couldn't make sense of anything.
2. To make a continuous murmuring noise, like shallow water running over stones. Hounds are said to babble, or to be babbling, when they are too noisy after having found a good scent.
3. To talk incoherently; to utter meaningless words.
4. To talk too much; to chatter; to prattle.

ot noun

1. Idle talk; senseless prattle
2. Inarticulate speech; constant or confused murmur.
3. A sound like that of water gently flowing around obstructions.