house detective
noun
an employee of a department store, hotel, etc., employed to prevent thefts, violations of regulations, or other forms of misconduct on the part of patrons.
Origin of house detective
An Americanism dating back to 1895–1900
Words nearby house detective
house call,
house church,
house counsel,
house cricket,
house crow,
house detective,
house dick,
house factor,
house finch,
house flag,
house furnishings