The action of murmur, v. (in various senses); an instance of this; a low continuous sound.

A low continuous sound, esp. as produced by water, wind, etc.

Murmuring; the murmured expression of discontent.

An indistinct jumble of sound, esp. of voices; (also) the murmur of flowing water.

The action of mutter, v.1; (also) something muttered, a rumour.

The indistinct sound produced by the blending of distant voices or noises; a murmur; (in quot. 1625) a ‘buzz’ of rumour.

Muttering, murmuring; a muttered or murmured sound.

The action of maintaining a liquid just below boiling point, so as to be bubbling gently; the state or fact of being at this temperature; the…

A low murmuring or humming sound, as of a tune hummed in an undertone.

With reference to things. The making of an indistinct, subdued, continuous sound; esp. the murmuring or gurgling of flowing water. Also: an…

A low deep humming sound; a murmur. Also figurative.

A humming or murmuring sound. Obsolete. rare.

= babble, n. 2. Now rare.