An act or instance of murmuring. / (ornithology, collective) A flock of starlings. / An emergent order in a multi-agent social system.

plural of murmuration

(intransitive) Of starlings, to gather in large flocks at dusk.

plural of murmurer

plural of murmuring

One who murmurs

simple past tense and past participle of murmur

(intransitive, now rare) To grumble; to complain in a low, muttering voice, or express discontent at or against someone or something.

(countable, uncountable) Any low, indistinct sound, like that of running water. / (countable, uncountable) Soft indistinct speech.

Low, indistinct (of a sound); reminiscent of a murmur.