noun
1. : a system of assignment of divisions of the police of a large city to duty at stated times so that the city is equally policed at all hours
2. : a system of football strategy in which defensive and offensive platoons are alternated in play
noun
1. : a system of assignment of divisions of the police of a large city to duty at stated times so that the city is equally policed at all hours
2. : a system of football strategy in which defensive and offensive platoons are alternated in play
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012