watchman

Meanings

1. 1
   noun

   A man set to watch: a man who keeps guard, especially one who guards a building, or the streets of a city, by night; (loosely) any such person of any sex or gender.

   Near-synonyms: watcher, watchwoman.

2. 2
   noun

   a guard who keeps watch

From Middle English waccheman. By surface analysis, watch + -man.

Topics