sentinelsen‧ti‧nel /ˈsentɪnəl/ noun [countable] old-fashioned 
Word Origin
Word OriginWORD ORIGINsentinel
ExamplesOrigin:
1500-1600 French sentinelle, from Old Italian sentinella, from sentina ‘keeping watch’, from sentire, from Latin; ➔ SENTIENTEXAMPLES FROM THE CORPUS
word sets- But all was still save the measured tread of the sentinel and the gentle whispers of the genial night breeze.
- In its normal form the gene, called p53, appears to act as a sentinel against excessive cell growth.
- Large dark pines stood like sentinels guarding the sweep of wintry garden.
- Owl Lodge has fine glowing orange owl standing sentinel above the parking lot.
- Stumpy Martello towers, built to repel Napoleon, stand sentinel on the shoreline.
- The sentinels of the media swarmed the fracas.
- Was it some supernatural sentinel of the Scarabae?
WORD SETS► Military
Collocationsaction stations, nounaide-de-camp, nounairborne, adjectiveaircraft carrier, nounairlift, nounallied, adjectivearmour, nounarms control, nounarms race, nounarray, verbassault course, nounAWOL, adjectivebalance of power, nounbandmaster, nounbandsman, nounbase, nounbattle, nounbattle, verbbattle cry, nounbattlefield, nounbattlements, nounbeachhead, nounbivouac, nounblackout, nounblast, verbblitz, nounblockade, nounblockade, verbblockhouse, nounbloodshed, nounbody bag, nounbody count, nounbomb, verbbombard, verbbombardment, nounbomb disposal, nounboot camp, nounbowman, nounbreastplate, nounbridgehead, nounbunker, nouncall-up, nouncannonade, nouncapability, nouncaptain, nouncapture, nouncarrier, nouncashier, verbcenotaph, nounchief of staff, nouncitation, nouncivil defence, nounC.O., nouncommand, nouncommand, verbcommandant, nouncommander, nouncommander in chief, nouncommand post, nouncommissariat, nouncommissary, nouncommission, nouncommissioned officer, nounconquer, verbconquest, nounconscientious objector, nounconscript, verbconscript, nounconscription, nounconvoy, verbcookhouse, nounCorp., corporal, nouncorps, nouncounterinsurgency, nouncounterintelligence, nouncountermand, verbcounter-revolution, nouncourt-martial, nouncourt-martial, verbcross, noundawn raid, noundeath camp, noundemilitarize, verbdemobilize, verbdeploy, verbdetonate, verbdisarm, verbdisarmament, noundispatch, noundraft board, noundraft card, noundraft dodger, noundraftee, noundress uniform, noundrum major, noundump, nounechelon, nounencamp, verbenemy, nounengage, verbengagement, nounenlist, verbenlisted, adjectiveexchange, nounex-serviceman, nounex-servicewoman, nounfield, verbfirst lieutenant, nounfirst strike, nounflak jacket, nounflash, nounfort, nounfortress, nounfoxhole, nounFPO, front, noungas mask, noungeneral headquarters, nounGHQ, nounguardhouse, nounheadquarters, nounhigh command, nounHQ, nounincursion, nounindefensible, adjectiveinsignia, nouninstallation, nouninsubordination, nounintelligence, nouninternment, nouninvade, verbinvader, nouninvasion, nounkit bag, nounKP, nounlieutenant, nounline, nounMaj., major, nounmajor general, nounman, nounmarch, verbmarch, nounmarch-past, nounmarshal, nounmassacre, nounmassacre, verbmess, nounmess, verbmilitarism, nounmilitarized, adjectiveMilitary Academy, nounMilitary Cross, nounmilitary service, nounmilitia, nounmilitiaman, nounminuteman, nounmission, nounMP, nounmutineer, nounmutinous, adjectivemutiny, nounnational service, nounNATO, nounNCO, nounno-man's-land, nounnon-aggression, nounnon-aligned, adjectivenon-combatant, nounobjective, nounobservation post, nounoccupation, nounoccupy, verboffence, nounoffensive, adjectiveoffensive, nounofficer, nounoperation, nounorderly, nounoutflank, verboutpost, nounoverthrow, verboverwhelm, verbpact, nounpadre, nounparade, nounparamilitary, adjectiveparapet, nounpartisan, nounpassword, nounpatrol, nounperilous, adjectiveperiscope, nounpillbox, nounpincer movement, nounpost, verbPOW, nounpre-war, adjectiveprisoner, nounprisoner of war, nounPurple Heart, nounpush, nounputsch, nounPX, nounquarter, verbquartermaster, nounquell, verbR & R, nounraid, nounraid, verbrank, nounrebellion, nounrecapture, verbreconnaissance, nounreconnoitre, verbrecruit, verbrecruit, nounreinforce, verbrelieve, verbRemembrance Day, nounrepel, verbrequisition, verbretake, verbretire, verbretreat, verbretreat, nounreview, nounreview, verbribbon, nounsabre-rattling, nounsally, nounsalute, verbsalute, nounsalvo, nounsamurai, nounscorched earth policy, nounscout, nounscout, verbscramble, verbsecond lieutenant, nounsentinel, nounsentry, nounsentry box, nounsergeant, nounsergeant major, nounserviceman, nounservicewoman, nounSgt., shell, verbshelling, nounsiege, nounskirmish, nounstaff officer, nounstaging area, nounstandard-issue, adjectivestar, nounstation, nounstation, verbstrategic, adjectivestrategist, nounstrategy, nounstripe, nounstronghold, nounsuperpower, nounsuppress, verbsurgical strike, nounsurrender, verbsurrender, nountactical, adjectivetarget, nountarget, verbtask force, nountattoo, nountheatre, nountrench warfare, nountripwire, nountruce, nounturret, noununarmed, adjectiveunoccupied, adjectivevalour, nounveteran, nounvolunteer, nounvolunteer, verbwar chest, nounwar crime, nounwar cry, nounwar dance, nounwar effort, nounwarfare, nounwarhorse, nounwarlike, adjectivewarlord, nounwar memorial, nounwarmonger, nounwarrant officer, nounwarring, adjectivewarrior, nounwar-torn, adjectivewar widow, nounwar zone, nounwounded, adjectivezero hour, noun
COLLOCATIONS FROM THE CORPUSVERB► stand
a sentry· Stumpy Martello towers, built to repel Napoleon, stand sentinel on the shoreline.· Owl Lodge has fine glowing orange owl standing sentinel above the parking lot.· Forming a concrete tower for temporary installations it stands sentinel opposite the massive front door.