A detachment used for security or reconnaissance.

Roget 668: warning, early warning, caution, caveat; notice etc. (information) 527; premonition, premonishment^†; prediction etc. 511; contraindication, lesson, dehortation^†; admonition, monition; alarm etc. 669.    handwriting on the wall, mene mene tekel upharsin, red flag, yellow flag; fog-signal, foghorn; siren; monitor, warning voice, Cassandra^†, signs of the times, Mother Cary's chickens^†, stormy petrel, bird of ill omen, gathering clouds, clouds in the horizon, death watch.    watchtower, beacon, signal post; lighthouse etc. (indication of locality) 550.    sentinel, sentry, , watch, watchman; watch and ward; watchdog, bandog^†, housedog^†; patrol, patrolman, vedette^†, picket, bivouac, scout, spy, spial^†; undercover agent, mole, plainclothesman; advanced guard, rear guard; lookout.    cautiousness etc. 864.    monitor, guard camera, radar, AWACS, spy satellite, spy-in-the-sky, U2 plane, spy plane.    ... show more

Dutch: patrouille, verkenningspatrouille
Polish: patrol

The activity of going around or through an area at regular intervals for security purposes.

Polish: patrolowanie, krążenie

A group that goes through a region at regular intervals for the purpose of security.

Maintain the security of by carrying out a patrol.

synonym: police.

Roget 266: travel, journey, course; take a journey, go a journey; take a walk, go out for walk etc. n.; have a run; take the air.    flit, take wing; migrate, emigrate; trek; rove, prowl, roam, range, patrol, pace up and down, traverse; scour the country, traverse the country; peragrate^†; circumambulate, perambulate; nomadize^†, wander, ramble, stroll, saunter, hover, go one's rounds, straggle; gad, gad about; expatiate.    walk, march, step, tread, pace, plod, wend, go by shank's mare; promenade; trudge, tramp; stalk, stride, straddle, strut, foot it, hoof it, stump, bundle, bowl along, toddle; paddle; tread a path.    take horse, ride, drive, trot, amble, canter, prance, fisk^†, frisk, caracoler^†, caracole; gallop etc. (move quickly) 274.    [start riding] embark, board, set out, hit the road, get going, get underway.    peg on, jog on, wag on, shuffle on; stir one's stumps; bend one's steps, bend one's course; make one's way, find one's way, wend one's way, pick one's way, pick one's way, thread one's way, plow one's way; slide, glide, coast, skim, skate; march in procession, file on, defile.    go to, repair to, resort to, hie to, betake oneself to.    ... show more

Roget 664: be safe etc. adj.; keep one's head above water, tide over, save one's bacon; ride out the storm, weather the storm; light upon one's feet, land on one's feet; bear a charmed life; escape etc. 671.    make safe, render safe etc. Adj.; protect; take care of etc. (care) 459; preserve etc. 670; cover, screen, shelter, shroud, flank, ward; guard etc. (defend) 717; secure etc. (restrain) 751; entrench, intrench^†, fence round etc. (circumscribe) 229; house, nestle, ensconce; take charge of.    escort, convoy; garrison; watch, mount guard, patrol.    make assurance doubly sure etc. (caution) 864; take up a loose thread; take precautions etc. (prepare for) 673; double reef topsails.    seek safety; take shelter, find shelter etc. 666.    ... show more