patrolboats
nounUK /pəˈtrəʊl bəʊts/
US /pəˈtroʊl boʊts/
Small boats that sail around to watch over an area and keep it safe.
The patrolboats cruised along the harbor all night.
RELATED WORDS
OTHER MEANINGS
2. Boats used by the military to guard coastal waters.
The navy sent patrolboats to protect the coastline.
3. Boats that check fishing rules and protect marine life.
Patrolboats stopped the boat to check its fishing nets.
4. Boats used by police to watch rivers and lakes.
Police patrolboats searched the river for the missing kayaker.