transitive verb
1. : to assign (as a policeman) to a specified area usually to conduct a surveillance
2. : to maintain a police surveillance of (as a suspect or an area)
transitive verb
1. : to assign (as a policeman) to a specified area usually to conduct a surveillance
2. : to maintain a police surveillance of (as a suspect or an area)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012