also: うおっちまん
A person employed to guard a building or area, especially at night. A direct loan from English, used in similar contexts.
夜間はウォッチマンが建物を見回ります。
At night, a watchman patrols the building.
Standard katakana spelling for the English loanword 'watchman'.
Variant katakana spelling using オ instead of ォ; less common but still encountered.
Borrowed from English 'watchman'.