Patrolman
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
A policeman assigned to duty in patrolling a certain beat or district; also the designation of a grade or rank In the organised police force of large cities, a patrolman being generally a private in the ranks, as distinguished from roundsmen, sergeants, lieutenants, etc.
See State v. Walbridge, 153 Mo. 194, 54 S. W. 447.