D defs.my
Entry 2 senses Webster, 1913

Watchman

/wäch'-mən/ · Watch·man · IPA /ˈwɒtʃmən/
01 n. One set to watch; a person who keeps guard; a guard; a sentinel.
pl. Watchmen
  1. 1.
    One set to watch; a person who keeps guard; a guard; a sentinel.
  2. 2.
    Specifically, one who guards a building, or the streets of a city, by night.
Phrases & compounds
Watchman beetle — 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 — 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.