CORRIDOR
corridor
(noun) an enclosed passageway; rooms usually open onto it
Source: WordNet® 3.1
Etymology
Noun
corridor (plural corridors)
A narrow hall or passage with rooms leading off it, as in a building or in a railway carriage.
A restricted tract of land that allows passage between two places.
(military, historical, rare) The covered way lying round the whole compass of the fortifications of a place.
Airspace restricted for the passage of aircraft.
Source: Wiktionary
Cor"ri*dor (kr"r-dr or -dr), n. Etym: [F., fr. Itt. corridpore, or
Sp. corredor; prop., a runner, hence, a running or long line, a
gallery, fr. L. currere to run. See Course.]
1. (Arch.)
Definition: A gallery or passageway leading to several apartments of a
house.
2. (Fort.)
Definition: The covered way lying round the whole compass of the
fortifications of a place. [R.]
Source: Webster’s Unabridged Dictionary 1913 Edition