CORRIDOR

corridor. Corridor, n. a gallery round a house, a covered way

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Cor″ri‐dor (k?r″r?–d?r or –d?r), n. [[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. 1. (Arch.) A gallery or passageway leading to several apartments of a house.
2. 2. (Fort.) The covered way lying round the whole compass of the fortifications of a place.