po·lice·man \pəˈlēsmən, pōˈ-, in rapid speech ˈplē-\noun (pluralpolicemen) 1. a.: a member of a police force b.: one held to resemble a member of a police force in acting to enforce rules or preserve order < the priest as a moral policeman in rural life — Paul Blanshard > < traditional policeman over big business — T.R.Ybarra > 2.: an instrument (as a flat piece of rubber on the end of a glass rod) for removing solids from a beaker or other vessel