watercannon
/ˈwɔtərˌkænən/
noun
- A device that shoots a powerful stream of water, used by police or military to control crowds or put out fires.
- In some countries, watercannons are a common tool for riot control.
- Police used a watercannon to disperse the protesters blocking the street.
- The fire department brought a watercannon to help cool down the burning building.
Synonyms