babble
n//ˈbæb.(ə)l//babbel, pladder, babbla, pladdra, porla
Idle talk; senseless prattle
Inarticulate speech; constant or confused murmur.
(intransitive) To talk too much; to chatter; to prattle.
(intransitive) To make a continuous murmuring noise, like shallow water running over stones.