(n.) A soldier in a body of cavalry; a cavalryman; also, the horse of a cavalryman.

Cheka FBI G-man Gestapo Interpol MP MVD Mounties NKVD OGPU RCMP SP Scotland Yard bailiff beadle beagle bound bailiff captain catchpole cavalryman charger chief of police commissioner constable constabulary cossack county police courser cuirassier deputy deputy sheriff detective dragoon fed federal flic gendarme government man heavy dragoon highway patrol hussar inspector lance lancer law enforcement agency lictor lieutenant mace-bearer marshal military police mounted policeman narc officer patrolman peace officer police police captain police commissioner police constable police force police inspector police matron police officer police sergeant policeman policewoman political police portreeve posse provincial police reeve riot police roundsman secret police security force sergeant sergeant at arms sheriff shore patrol spahi special police state police superintendent tactical police tipstaff tipstaves troopers uhlan vigilance committee vigilantes war-horse