Source : Webster's Revised Unabridged Dictionary (1913)

Passageway \Pas"sage*way`\, n.
   A way for passage; a hall. See {Passage}, 5.

Source : WordNet®

passageway
     n 1: a passage between rooms or between buildings
     2: a path or channel or duct through or along which something
        may pass; "the nasal passages" [syn: {passage}]