The Collaborative International Dictionary of English v.0.48:
Ochlocracy \Och*loc"ra*cy\, n. [Gr. ?; 'o`chlos the populace, multitude + kratei^n to be strong, to rule, kra`tos strength: cf. F. ochlocratie.] A form of government by the multitude; a mobocracy; mob rule. --Hare. [1913 Webster] OchlocraticWordNet (r) 3.0 (2006):
ochlocracy n 1: a political system in which a mob is the source of control; government by the masses [syn: mobocracy, ochlocracy]