riot police noun
Police specially equipped with riot gear (shields, tear gas grenades, etc) for dealing with rioting crowds
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Main Entry: ↑riot
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riot police UK US noun [uncountable]
police who have special training and equipment to deal with riots
Thesaurus: groups of police and departments of the police forcehyponym
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police who are trained to deal with people ↑rioting
Useful english dictionary. 2012.