The men on the stairwell told firefighters they had the situation under control.
From the chron.com
A neighbor later found the toddler in the building stairwell, physically unhurt.
From the stltoday.com
Fischer said Bass'body was found in a stairwell vestibule of his 24 Carhart Ave.
From the lohud.com
During performances, actors struggled to change costumes in a cramped stairwell.
From the jsonline.com
These are linked by the stairwell to the third shape, a plaster-over-block cube.
From the nzherald.co.nz
The next time you're about to take the elevator, why not head for the stairwell?
From the forbes.com
Curtis Pride, 33, of Zion, was found in the stairwell of a multifamily dwelling.
From the dailyherald.com
When I peeked around the corner of the stairwell 20 minutes later he was leaving.
From the theatlantic.com
In the middle of the hall was a stairwell and to the right there were bedrooms.
From the tennessean.com
More examples
A vertical well around which there is a stairway
Stairway, staircase, stairwell, flight of stairs or simply stairs are names for a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances, called steps. ...
A shaft in a multi-story building enclosing a stairway or staircase
An opening in the floor for climbing or descending
A space in a building where a stairway is located.
The space/void provided for the stairs.
That opening through which a stairway passes.
The framed opening in the floor that incorporates the stairs.