1.
A ~ is a state of great confusion or excitement.
A ~ of feelings inside her fought for supremacy.
...the recent ~ in global financial markets.
N-SING: also no det, oft N of n
2.
A ~ is a lot of noise made by a crowd of people.
Round one ends, to a ~ of whistles, screams and shouts.
N-SING: also no det, oft N of n