Preventive Service
Defined in 1 dictionary — Black's (1910)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
The name given in England to the coast-guard or armed police, forming a part of the customs service, and employed in the prevention and detection of smuggling. Previous intentions are judged by subsequent acts. Dumont v. Smith, 4 Denlo (N. Y.) 319, 320.