sentry

UK: ˈsɛntri | US: ˈsɛntri

Definition

  1. n. a soldier stationed to keep guard or control access to a place

  2. n. the duty or post of a guard

Structure
sent <watch>ry <noun suffix>sent <watch>ry <noun suffix>
Etymology

The word "sentry" emerged in the early 17th century, combining the idea of watching (from Latin sentire) with the suffix -ry to denote a guard’s role. It reflects the transition from sensory perception ("feeling" danger) to the specific duty of vigilance in military contexts.

Examples

  1. The sentry stood motionless at the gate.

  2. They posted a sentry to warn of approaching enemies.

  3. The captain assigned sentry duty to the new recruits.

  4. A lone sentry patrolled the perimeter of the camp.

  5. The sentry raised the alarm at the first sign of movement.