riot n: a disturbance of the peace created by an assemblage of usually three or more people acting with a common purpose and in a violent and tumultuous manner to the terror of the public
: the crime of rioting
vi : to create or engage in a riot
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.