Definition of "patrolman"

patrolman

noun
plural patrolmen
1. A police officer, especially a junior officer assigned patrol duty instead of detection or supervision.
  Quotations
  On September 9, when a solitary Japanese patrolman tried to curtail the work of five Taiwanese who were cutting trees from a windbreak (in Anting settlement, Sinhua district), the accused responded "Taiwan is not Japan's land. Why are you stopping us?"
  2006, Ping-hui Liao, David Der-wei Wang, Taiwan Under Japanese Colonial Rule, 1895–1945‎, page