Definition of sentry in English:



  • A soldier stationed to keep guard or to control access to a place:

    ‘sentries patrolled the border’
    [as modifier] ‘on sentry duty’
    [mass noun] ‘two men stood sentry on the door every evening’
    • ‘After only a few steps she saw a sentry, standing not too far away, with his back to her.’
    • ‘I should have noticed that there had been no one around the lit fire, or there were no sentries or patrols whatsoever.’
    • ‘First, a sentry need no longer be a soldier standing at the entrance to a camp with a pike, or a rifle.’
    • ‘The enemy sentries and war machines were now aware of where he was.’
    • ‘He looked to the sentries guarding his tent and smiled a little wider.’
    • ‘Set up sentries and scouts to make sure all of the enemies are out of the area.’
    • ‘We passed another guard post, the sentries there expecting us.’
    • ‘You will reside in a secret place guarded by armed sentries.’
    • ‘Rustling grass told him that a sentry was standing not five meters away.’
    • ‘Having seen no sentries or patrols of any kind, Maddock heaved the door to the tunnel open and they all headed in.’
    • ‘By acting as sentries, patrolling the countryside etc. they relieved the army to do other work.’
    • ‘We put one man on top of the Antelope House to act as a sentry as the others patrolled the grounds the next night.’
    • ‘There wasn't a single sentry, and the armies stood like an immense black sea about the castle.’
    • ‘Outside of the villa, the sentries standing at the walls had seen the coming army.’
    • ‘The sentries were on duty but no one came through the gate.’
    • ‘Yet, there appeared to be a crowd forming around the sentry on guard there.’
    • ‘A lone sentry now stands guard, posted by the Northern Alliance.’
    • ‘There should have been a sentry, a guard, or even a sign of some enclave or camp.’
    • ‘In 1925, sentries patrolling this border fired on one another and a Greek soldier was killed.’
    • ‘The complex sleeps at night, except for a handful of sentries and guards.’
    guard, sentinel, lookout, watch, watchman, patrol, picket
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Early 17th century: perhaps from obsolete centrinel, variant of sentinel.