murmuration
noun
mur·mur·a·tion
ˌmərməˈrāshən
plural -s
1
: the act of murmuring : the utterance of low continuous sounds or complaining noises
the murmuration of the crowds
A. E. Richardson
A. E. Richardsonceaseless, inarticulate murmuration of prayer Frederic Prokosch
Frederic Prokosch2
of starlings : flock
in the stackyard there was a great murmuration of starlings Mary Webb
Mary Webb
Word History
Etymology
Middle English murmuracioun, from Middle French murmuration, from Latin murmuration-, murmuratio, from murmuratus (past participle of murmurare) + -ion-, -io -ion