precinct
pre.cinct \'pre--.sin(k)t\ n [ME, fr. ML praecinctum, fr. L, neut. of praecinctus, pp. of pra]ecingere to gird about, fr. prae- pre- + cingere to gird - more at CINCTURE 1: a part of a territory with definite bounds or functions often establishe d for administrative purposes : DISTRICT : as 1a: a subdivision of a county, town, city or ward for election purposes 1b: a division of a city for police control often pl 2: the enclosure bounded by the walls or limits of a building or place pl 3: the region immediately surrounding a place : ENVIRONS 4: BOUNDARY
Webster's English Dictionary