corridor
n. countablen. a long, narrow passage in a building with doors that lead into different rooms. You might also call this a hallway.
n. a long passage in a building from which doors lead into rooms or compartments. In a political or geographical context, it refers to a narrow strip of land that connects two larger areas or provides access through a foreign territory.
Walk down the corridor and take the first door on your left.
The hospital staff moved quickly through the brightly lit corridor to reach the emergency room.
The treaty established a narrow land corridor through the neighbouring state, ensuring the landlocked nation had vital access to the international shipping lanes of the coast.
Borrowed from French corridor, from Italian corridore (“long passage”) (= corridoio), from correre (“to run”).
Often used metaphorically in the phrase 'corridors of power' to refer to the higher levels of government or management.