patrol
noun
[ pəˈtrəʊl ]
• an expedition to keep watch over an area, especially by guards or police walking or driving around at regular intervals.
• "we were ordered to investigate on a night patrol"
Similar:
vigil,
guard,
watch,
monitoring,
policing,
beat,
beat-pounding,
patrolling,
round,
sentry duty,
reconnoitre,
surveillance,
survey,
examination,
recce,
• a unit of six to eight Scouts or Guides forming part of a troop.
• "break the Cubs into sixes and Scouts into patrols"
patrol
verb
• keep watch over (an area) by regularly walking or travelling around it.
• "the garrison had to patrol the streets to maintain order"
Similar:
keep guard (on),
guard,
keep watch (on),
police,
walk the beat (of),
pound the beat (of),
make the rounds (of),
walk along/round,
range (over),
perform sentry duty (on),
picket,
stand guard (over),
keep a vigil (on),
keep a lookout (over),
cover,
monitor,
defend,
safeguard,
cruise,
pound,
prowl,
rove,
roam,
Origin:
mid 17th century (as a noun): from German Patrolle, from French patrouille, from patrouiller ‘paddle in mud’, from patte ‘paw’ + dialect ( gad)rouille ‘dirty water’.