Noun: plainclothesman (plainclothesmen) 'pleyn'klow(dh)z-mun
- A detective who wears civilian clothes on duty
"The plainclothesman blended in with the crowd to observe suspicious activity"
Derived forms: plainclothesmen
Type of: adult male, bozo [N. Amer, informal], cat [N. Amer, informal], chappie [Brit, informal], geezer [Brit, informal], guy [informal], hombre [N. Amer, informal], man, plain clothes detective, sod [informal]
Encyclopedia: Plainclothesman