Definition of "murmuration" [mur•mur•a•tion]

• An act or instance of murmuring. (noun)
• A flock of starlings. (noun)

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• "Starlings are great virtuosi, wonderful mimics as well as splendid singers, and incorporate so many different sounds into their songs that a flock of them is called a murmuration."
• "Thousands of birds, known as a murmuration, are currently roosting in the Obridge area of Taunton and County Gazette photographer Geoff Hall (pictured) took the once-in-a-lifetime shot from the Obridge Link."
• "A starling flock like this is called a murmuration, a word that perfectly describes the rustle of thousands of pairs of wings."