con·sta·ble 
/ˈkɑ:nstəbəl, ˈkʌnstəbəl/ noun
plural con·stables /ˈkɑ:nstəbəl, ˈkʌnstəbəl/ noun [count] 1 US : a public official whose job is similar to that of a police officer but who is elected or appointed rather than hired 2 chiefly Brit : police constable
