patrol boat

• Bateau rapide de petite ou moyenne taille utilisé par la marine ou les garde-côtes pour la surveillance côtière, le maintien de l'ordre en mer ou les opérations de recherche et de sauvetage dans les eaux littorales.

A small, fast naval or coast guard vessel designed for coastal defense, surveillance, law enforcement, or search and rescue operations in inshore waters.

1. Military or police vesselB2formal

   A small, fast ship used by the navy, coast guard, or police to monitor and protect coastal waters, rivers, or harbors.

   vedette de patrouille

   • The coast guard dispatched a patrol boat to investigate the suspicious vessel.
   • Patrol boats are often equipped with radar and communication systems.
   • The navy uses patrol boats to secure the country's maritime borders.