Synonyms of the word

corridor

• n. A narrow hall or passage with rooms leading off it, for example in railway carriages (see Wikipedia).
• n. A restricted tract of land that allows passage between two places.
• n. (military, historical, rare) The covered way lying round the whole compass of the fortifications of a…
• n. Airspace restricted for the passage of aircraft.

passageway

• n. A covered walkway, between rooms or buildings.
• n. Any way for passing in, out or through something.