patrol-boat

A patrol-boat sails along the coastline.

Definition

Noun: - A type of naval vessel: A "patrol-boat" is a small, fast naval ship used for patrolling coastal waters, harbors, or rivers. It is typically designed for surveillance, law enforcement, or military tasks.

Usage Examples

• (A small naval vessel used for surveillance.)
• (A fast ship used for law enforcement or military tasks.)

Advanced Usage

• "to send a patrol-boat": to dispatch such a vessel for a specific mission.
  • The navy sent a patrol-boat to investigate the distress signal. (They deployed a small ship for reconnaissance.)

Variants and Related Words

• Patrol (noun/verb): the act of moving around an area to guard or inspect it.
  • The soldiers went on patrol along the border. (They performed surveillance duty.)
• Boat (noun): a small vessel for traveling on water.
  • We rented a boat for the afternoon. (A small watercraft.)

Synonyms

• Coast guard cutter: a larger ship used for similar patrol duties.
  • The coast guard cutter replaced the older patrol-boat. (A type of patrol vessel.)
• Reconnaissance vessel: a ship used for gathering information.
  • The reconnaissance vessel sailed close to the shore. (A boat for surveillance.)

Related Idioms

• On patrol: engaged in the activity of patrolling.
  • The patrol-boat remains on patrol throughout the night. (It is actively monitoring the area.)

Note: No phrasal verbs or idioms directly involve "patrol-boat" as a compound noun. The word is specific to maritime contexts.