system - instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity; "he bought a new stereo system"; "the system consists of a motor and a small computer"

structure - the manner of construction of something and the arrangement of its parts; "artists must study the structure of the human body"; "the structure of the benzene molecule"

communication equipment, communication system - facility consisting of the physical plants and equipment for disseminating information

fire station, firehouse - a station housing fire apparatus and firemen

gas system - facility (plant and equipment) for providing natural-gas service

main - a principal pipe in a system that distributes water or gas or electricity or that collects sewage

penal facility, penal institution - an institution where persons are confined for punishment and to protect the public

grid, power grid, power system - a system of high tension cables by which electrical power is distributed throughout a region

public works - structures (such as highways or schools or bridges or docks) constructed at government expense for public use

school system - establishment including the plant and equipment for providing education from kindergarten through high school

sewage system, sewage works, sewer system - facility consisting of a system of sewers for carrying off liquid and solid sewage

transportation, transportation system, transit - a facility consisting of the means and equipment necessary for the movement of passengers or goods

water supply, water system, water - facility that provides a source of water; "the town debated the purification of the water supply"; "first you have to cut off the water"

fund, store, stock - a supply of something available for future use; "he brought back a large store of Cuban cigars"