sentinel
noun
1. a person employed to keep watch for some anticipated event
Similar word(s): lookout, picket, scout, sentry, spotter, watch
Definition categories: person, watcher, watchman
Sentences with sentinel as a noun:
- The
verb
1. (transitive) To watch over as a guard.
- He sentineled the north wall.
2. (transitive) To post as guard.
- He sentineled him on the north wall.
3. (transitive) To post a guard for.
- He sentineled the north wall with just one man.