On the nearby banks, egrets and herons stood sentry as they fished the shallows.
From the charlotteobserver.com
For nearly 200 years, the plane trees have stood sentry over the Canal du Midi.
From the latimes.com
Nearby is a soldier standing sentry at his post, and a sharp-eyed border guard.
From the washingtonpost.com
Independence Rock stands a sentry over the history of the American movement west.
From the usatoday.com
Sentry is designed to swim like a fish or fly like a helicopter through the water.
From the sciencedaily.com
Down the street, Allan Hill is part-Packard Plant sentry, part-Packard tour guide.
From the freep.com
A sentry watch was set around the area and even in the sewer mains beneath it.
From the time.com
Sentry Hospitality, which manages the hotel, is the limited partner, Magarity said.
From the buffalonews.com
Giza has the sphinx, this civilization's sentry is a stack of gigantic books.
From the thenewstribune.com
More examples
Lookout: a person employed to keep watch for some anticipated event
Sentry is the codename of several unrelated fictional characters of the Marvel Universe. Currently, the most prominent Sentry is Robert Reynolds, appearing in Marvel's New Avengers and Mighty Avengers titles, and the subject of two limited series.
Sentry (real name Curtis Elkins) is a member of The Jury in the fictional Marvel comic universe. His rank is commanding officer. His ethnicity is African-American.
Sentry is a highly automated collision monitoring system that continually scans the most current asteroid catalog for possibilities of future impact with Earth over the next 100 years. ...
The Sentry (Robert "Bob" Reynolds) is a fictional character in the . The character first appears in The Sentry #1 (Sep. 2000) and was created by Paul Jenkins and Jae Lee, with uncredited conceptual contributions by Rick Veitch.
A guard, particularly on duty at the entrance to a military base
To dream of a sentry, denotes that you will have kind protectors, and your life will be smoothly conducted.
An armed soldier whose duty was to attend to a particular place or area, usually called a post.
A guard, especially a soldier stationed to prevent unauthorized passage; as derived from "sentinel" (vigilance); see ARGUS, WATCH, WATCHER, EARTH ANGEL, ROADRUNNER, TRAIL WATCHER, COIGN OF VANTAGE, DETAIL, FPS, POLICE, OP, LP, POINT, SPEARHEAD, SUICIDE SQUAD. ...