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n. See staircase.

n. a set of steps allowing one to walk up or down comfortably.

n. A flight of stairs or steps; a staircase.

n. A staircase.

n. a way of access (upward and downward) consisting of a set of steps

"At eleven he did not know that Paula had come up the secret stairway from the library and was standing behind the shelves of books listening."

way   

moving stairway   

stair    stairwell   

moving staircase    emergency exit    fire escape    ghat    flight of steps    steps    backstairs    escalator    ramp    flight   

staircase    stairs   

airway    fairway   

staircase    hallway    stairwell    balcony    walkway    ramp    ladder    passageway    tunnel    doorway