- 1[transitive, intransitive] patrol (something) to go around an area or a building at regular times to check that it is safe and that there is no trouble Troops patrolled the border day and night. Guards can be seen patrolling everywhere. Aircraft regularly patrol the frontier.
- 2[transitive] patrol something to drive or walk around a particular area, especially in a threatening way Gangs of youths patrol the streets at night. Word Origin mid 17th cent. (as a noun): from German Patrolle, from French patrouille, from patrouiller
BrE BrE//pəˈtrəʊl//; NAmE NAmE//pəˈtroʊl//Verb Forms present simple I / you / we / they patrol
BrE BrE//pəˈtrəʊl//; NAmE NAmE//pəˈtroʊl//he / she / it patrols
BrE BrE//pəˈtrəʊlz//; NAmE NAmE//pəˈtroʊlz//past simple patrolled
BrE BrE//pəˈtrəʊld//; NAmE NAmE//pəˈtroʊld//past participle patrolled
BrE BrE//pəˈtrəʊld//; NAmE NAmE//pəˈtroʊld//-ing form patrolling
BrE BrE//pəˈtrəʊlɪŋ//; NAmE NAmE//pəˈtroʊlɪŋ//