/ kəˈməʊʃn; NAmE -ˈmoʊ-/ noun
[ C , usually sing. , U ] sudden noisy confusion or excitement :
I heard a commotion and went to see what was happening.
The crowd waiting outside was causing a commotion.
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WORD ORIGIN
late Middle English : from Latin commotio(n-) , from com- altogether + motio , from movere to move.