PATROL

I. noun Date: 1664 1. the action of traversing a district or beat or of going the rounds along a chain of guards for observation or the maintenance of security, the person performing such an action, a unit of persons or vehicles employed for reconnaissance, security, or combat, a subdivision of a Boy Scout troop or Girl Scout troop, II. verb (~led; ~ling) see: patten Date: 1691 intransitive verb to carry out a ~, transitive verb to carry out a ~ of, ~ler noun