This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A way allowing passage, especially a corridor.

n. A covered walkway, between rooms or buildings.

n. Any way for passing in, out or through something.

n. A way for passage; a hall. See passage, 5.

n. A passage; a road, avenue, path, or way affording means of communication; avenue of entrance or exit; street, alley, gallery, or corridor.

n. A hall.

n. a passage between rooms or between buildings

n. a path or channel or duct through or along which something may pass

"Sometimes the open passageway is wide (a large PDA) and sometimes it is narrow (a small PDA)."

passage   

hallway    cavern    stairwell    stairway    canyon    vestibule    archway    foyer    alleyway    alley