I. bab ‧ ble 1 /ˈbæb ə l/ BrE AmE verb
[ Date: 1200-1300 ; Origin: Probably from the sound ]
1 . [intransitive and transitive] to speak quickly in a way that is difficult to understand or sounds silly:
I have no idea what he was babbling on about.
2 . [intransitive] to make a sound like water moving over stones
—babbler noun [countable]
II. babble 2 BrE AmE noun [singular]
1 . the confused sound of many people talking at the same time:
the babble of a crowded party
2 . a sound like water moving over stones