fireboat
/ˈfaɪərˌboʊt/
noun
- A boat equipped with pumps and hoses used to fight fires on ships, docks, or along the waterfront.
- When the cargo ship caught fire, the fireboat arrived within minutes to help extinguish the flames.
- The fireboat sprayed water high into the air to reach the burning pier.
- During the harbor festival, the fireboat gave a demonstration of its powerful water cannons.