Толковый словарь английского языка Oxford English Reference - constable

n. 1 Brit. a a policeman or policewoman. b (also police constable) a police officer of the lowest rank. 2 the governor of a royal castle. 3 hist. the principal officer in a royal household. Phrases and idioms Chief Constable the head of the police force of a county or other region. Etymology: ME f. OF conestable f. LL comes stabuli count of the stable