ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: stair + case
1.
a. : the structure containing a stairway : an enclosure for stairs (as of walls or railings)
b. : a flight of stairs with the supporting framework, casing, and balusters
2. : something resembling or held to resemble a staircase
the dead stream was an interminable staircase of ledges — Alan Le May
3. : river 4