patrol boat

• Embarcação pequena e rápida, de uso militar ou policial, destinada à vigilância, patrulhamento, defesa costeira, fiscalização ou busca e salvamento em águas costeiras.

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.

   Navio patrulha

   • 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.