policeman

noun4

1. •
   a man whose job is to stop crime and make sure that people keep the law

   • The policeman who arrests the "Red" does not understand the theories the "Red" is preaching; if he did, his own position as bodyguard of the monied class might seem less pleasant to him. — 1941
2. •
   Synonym of enforcer.

   • A team may have a policeman or enforcer. — 2002
3. •
   A glass rod capped at one end with rubber, used in a chemistry laboratory for gravimetric analysis.
4. •
   Any skipper of the genus Coeliades.