verb
- acting as a guard or watchman; keeping watch
Usage: present participle of sentinel
Examples
- The soldier was sentineling the entrance to the base.
- Dogs have been sentineling human settlements for thousands of years.
- The lighthouse keeper spent his nights sentineling the dangerous coastline.
- She found herself sentineling the sleeping children during the storm.
- The security guard was sentineling the museum’s most valuable exhibits.
- Ancient warriors took turns sentineling the castle walls.