The Collaborative International Dictionary
corkscrew \cork"screw`\ (k[^o]rk"skr[udd]`), a. shaped like a corkscrew; spiral; helical.
corkscrew stairs, a spiral staircase around a solid newel.
Usage examples of "corkscrew stairs".
A ways below the crown he stopped and stepped through an opening in the waist-high iron wall hemming in the corkscrew stairs.
Jake saw them coming up the wide corkscrew stairs from the main floor.
The black stone corkscrew stairs seemed to wind interminably tighter and tighter as Garrison/Schroeder rode Psychomech steeply upwards and towards that terminal turret wherein he knew the Black Room waited with its terrible secret, that Honor he had feared above all horrors.
Dorothy had wrenched herself free and dashed up the corkscrew stairs of the tower ahead of the Witch.
The men drew guns, leaped to the door and looked down the corkscrew stairs.
From below came hoarse shouts, cries of outrage, the clatter of many feet ascending the tower's corkscrew stairs.