An administrative unit of a city which, under most circumstances according to state or national law, would be considered a larger or more powerful entity; most commonly used in American English to define the five counties that make up New York City.
Other similar administrative units in cities and states in various parts of the world.
A district in Alaska having powers similar to a county.
(historical, Britain, law) An association of men who gave pledges or sureties to the king for the good behaviour of each other.
(historical, Britain, law) The pledge or surety thus given.
