watch·man /-mən/
巡夜者,看守人
Watch·man n.; pl. Watchmen
1. One set to watch; a person who keeps guard; a guard; a sentinel.
2. Specifically, one who guards a building, or the streets of a city, by night.
Watchman beetle Zool., the European dor.
Watchman's clock, a watchman's detector in which the apparatus for recording the times of visiting several stations is contained within a single clock.
Watchman's detector, or Watchman's time detector, an apparatus for recording the time when a watchman visits a station on his rounds.
Watchman's rattle, an instrument having at the end of a handle a revolving arm, which, by the action of a strong spring upon cogs, produces, when in motion, a loud, harsh, rattling sound.
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watchman
n : a guard who keeps watch [syn: watcher, security guard]