patrol
/pə'troul/
Học thuậtThân thiện
Definition
Noun:
- A group that moves through an area at regular intervals for security or surveillance: A "patrol" can refer to the team or unit itself, such as a police patrol or a military patrol.
- The act of moving through an area to guard or monitor it: "Patrol" also refers to the activity or duty of conducting such surveillance.
Verb:
- To maintain security by moving through an area: The primary meaning is to conduct a patrol, to move around an area to guard or inspect it.
Usage Examples
Noun:
- The night patrol reported that all was quiet. (The group on duty at night reported no issues.)
- The officer is on patrol in the downtown district. (The officer is performing the duty of monitoring the downtown area.)
Verb:
- Security guards patrol the factory grounds every hour. (Security guards walk through the factory area regularly for inspection.)
- The coast is patrolled by the navy. (The navy conducts regular surveillance along the coast.)
Advanced Usage
"to be on patrol": to be engaged in the activity of patrolling.
- Officers on patrol noticed the open door. (Officers who were performing their monitoring duty noticed the open door.)
"to send out a patrol": to dispatch a group to patrol an area.
- The commander sent out a patrol to scout the perimeter. (The commander dispatched a team to inspect the outer boundary.)
Variants and Related Words
Patroller (n): A person or vehicle that patrols.
- The park patroller ensures rules are followed.
Patrolling (n/adj): The act of carrying out a patrol; or describing something related to patrol.
- Patrolling is a core duty for border agents. (The activity is a core duty.)
- The patrolling officer was very observant. (The officer who was on patrol was observant.)
Synonyms
- Noun (Group): Squad, guard, sentry.
- Noun (Activity): Surveillance, watch, round.
- Verb: Guard, monitor, inspect, police.
Related Phrasal Verbs
(Note: "Patrol" is not commonly used with particles to form distinct phrasal verbs with changed meanings. The core verb "patrol" is typically used transitively or intransitively.)
Related Idioms
- "the long arm of the law": While not containing "patrol," this idiom relates to the pervasive reach of police and patrol activities.
- You can't escape the long arm of the law. (You cannot avoid being caught by the police or justice system.)
Noun
- a group that goes through a region at regular intervals for the purpose of security
- the activity of going around or through an area at regular intervals for security purposes
- a detachment used for security or reconnaissance
Verb
- maintain the security of by carrying out a patrol