单词 | sentinel |
释义 | sentinel (once / 668 pages) n A sentinel is a guard, a lookout, a person keeping watch. It's often a soldier, but not always. If you're watching a pot, waiting for it to boil, you're standing sentinel over it — and incidentally, it won't boil until you leave. Etymologists think sentinel stems from the Old Italian words sentina, meaning "vigilance," and sentire, "to hear or perceive." It's a close cousin of sentry, which means the same thing. You can use sentinel as a noun or a verb. A kid in a snowball war might be the sentinel, patrolling the entrance to the fort. Wolves stand sentinel over their kill, stepping aside only for the alpha male, who always eats first. WORD FAMILYsentinel: sentinels USAGE EXAMPLESCurrent is fair housing director for Project Sentinel, a Bay Area nonprofit. Los Angeles Times(Dec 31, 2016) The Rome Sentinel on police agencies being targeted by computer hackers. Washington Times(Dec 28, 2016) The first case was deemed an accident, the Sentinel said. Time(Dec 21, 2016) n a person employed to keep watch for some anticipated event Syn|Hyper lookout, lookout man, picket, scout, sentry, spotter, watch security guard, watcher, watchman a guard who keeps watch |
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